397,440 in words
397,440
three hundred ninety-seven thousand four hundred forty
397,440 is written three hundred ninety-seven thousand four hundred forty.
Ways to write it
- As an ordinal
- three hundred ninety-seven thousand four hundred fortieth
- Expanded form
- 300,000 + 90,000 + 7,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 9 | 90,000 |
| thousands | 7 | 7,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 128 factors: too many to list
- First 10 multiples
- 397,440, 794,880, 1,192,320, 1,589,760, 1,987,200, 2,384,640, 2,782,080, 3,179,520, 3,576,960, 3,974,400
- Square
- 397,440 × 397,440 = 157,958,553,600
- Square root
- ≈ 630.43
- Sum of the digits
- 3 + 9 + 7 + 4 + 4 + 0 = 27
- Rounded to the nearest 10
- 397,440
- Rounded to the nearest 100
- 397,400
- Rounded to the nearest 1000
- 397,000
- Number before
- 397,439
- Number after
- 397,441
- In binary
1100001000010000000
Quick check
What number comes just after 397,440?
Show the answer
397,441
Is 397,440 even or odd?
Show the answer
Even
What is 397,440 + 10?
Show the answer
397,450
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 397,440 in words?
397,440 is written "three hundred ninety-seven thousand four hundred forty".
Is 397,440 a prime number?
No. 397,440 is a composite number, because it has more than two factors.