397,240 in words
397,240
three hundred and ninety-seven thousand two hundred and forty
397,240 is written three hundred and ninety-seven thousand two hundred and forty.
Ways to write it
- As an ordinal
- three hundred and ninety-seven thousand two hundred and fortieth
- Expanded form
- 300,000 + 90,000 + 7,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 9 | 90,000 |
| thousands | 7 | 7,000 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 40, 9,931, 19,862, 39,724, 49,655, 79,448, 99,310, 198,620 and 397,240 (16 factors)
- First 10 multiples
- 397,240, 794,480, 1,191,720, 1,588,960, 1,986,200, 2,383,440, 2,780,680, 3,177,920, 3,575,160, 3,972,400
- Square
- 397,240 × 397,240 = 157,799,617,600
- Square root
- ≈ 630.27
- Sum of the digits
- 3 + 9 + 7 + 2 + 4 + 0 = 25
- Rounded to the nearest 10
- 397,240
- Rounded to the nearest 100
- 397,200
- Rounded to the nearest 1000
- 397,000
- Number before
- 397,239
- Number after
- 397,241
- In binary
1100000111110111000
Quick check
What number comes just after 397,240?
Show the answer
397,241
Is 397,240 even or odd?
Show the answer
Even
What is 397,240 + 10?
Show the answer
397,250
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 397,240 in words?
397,240 is written "three hundred and ninety-seven thousand two hundred and forty".
Is 397,240 a prime number?
No. 397,240 is a composite number, because it has more than two factors.
What are the factors of 397,240?
The factors of 397,240 are 1, 2, 4, 5, 8, 10, 20, 40, 9,931, 19,862, 39,724, 49,655, 79,448, 99,310, 198,620 and 397,240.