400,000 in words

400,000

four hundred thousand

400,000 is written four hundred thousand.

Ways to write it

As an ordinal: four hundred thousandth
Expanded form: 400,000

Place value

Place	Digit	Value
hundred thousands	4	400,000
ten thousands	0	0
thousands	0	0
hundreds	0	0
tens	0	0
ones	0	0

Number facts

Even or odd: Even
Prime or composite: Composite
Factors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1,000, 1,250, 1,600, 2,000, 2,500, 3,125, 3,200, 4,000, 5,000, 6,250, 8,000, 10,000, 12,500, 16,000, 20,000, 25,000, 40,000, 50,000, 80,000, 100,000, 200,000 and 400,000 (48 factors)
First 10 multiples: 400,000, 800,000, 1,200,000, 1,600,000, 2,000,000, 2,400,000, 2,800,000, 3,200,000, 3,600,000, 4,000,000
Square: 400,000 × 400,000 = 160,000,000,000
Square root: ≈ 632.46
Sum of the digits: 4 + 0 + 0 + 0 + 0 + 0 = 4
Rounded to the nearest 10: 400,000
Rounded to the nearest 100: 400,000
Rounded to the nearest 1000: 400,000
Number before: 399,999
Number after: 400,001
In binary: 1100001101010000000

Quick check

What number comes just after 400,000?
Show the answer
400,001
Is 400,000 even or odd?
Show the answer
Even
What is 400,000 + 10?
Show the answer
400,010

Practise with a game

Factors, Multiples & Primes

Multiples, factors, prime numbers, square numbers and prime factors.

Frequently asked questions

How do you write 400,000 in words?

400,000 is written "four hundred thousand".

Is 400,000 a prime number?

No. 400,000 is a composite number, because it has more than two factors.

What are the factors of 400,000?

The factors of 400,000 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1,000, 1,250, 1,600, 2,000, 2,500, 3,125, 3,200, 4,000, 5,000, 6,250, 8,000, 10,000, 12,500, 16,000, 20,000, 25,000, 40,000, 50,000, 80,000, 100,000, 200,000 and 400,000.

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