400,988 in words
400,988
four hundred thousand nine hundred eighty-eight
400,988 is written four hundred thousand nine hundred eighty-eight.
Ways to write it
- As an ordinal
- four hundred thousand nine hundred eighty-eighth
- Expanded form
- 400,000 + 900 + 80 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 0 | 0 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 7, 14, 28, 14,321, 28,642, 57,284, 100,247, 200,494 and 400,988 (12 factors)
- First 10 multiples
- 400,988, 801,976, 1,202,964, 1,603,952, 2,004,940, 2,405,928, 2,806,916, 3,207,904, 3,608,892, 4,009,880
- Square
- 400,988 × 400,988 = 160,791,376,144
- Square root
- ≈ 633.24
- Sum of the digits
- 4 + 0 + 0 + 9 + 8 + 8 = 29
- Rounded to the nearest 10
- 400,990
- Rounded to the nearest 100
- 401,000
- Rounded to the nearest 1000
- 401,000
- Number before
- 400,987
- Number after
- 400,989
- In binary
1100001111001011100
Quick check
What number comes just after 400,988?
Show the answer
400,989
Is 400,988 even or odd?
Show the answer
Even
What is 400,988 + 10?
Show the answer
400,998
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 400,988 in words?
400,988 is written "four hundred thousand nine hundred eighty-eight".
Is 400,988 a prime number?
No. 400,988 is a composite number, because it has more than two factors.
What are the factors of 400,988?
The factors of 400,988 are 1, 2, 4, 7, 14, 28, 14,321, 28,642, 57,284, 100,247, 200,494 and 400,988.