400,997 in words
400,997
four hundred thousand nine hundred and ninety-seven
400,997 is written four hundred thousand nine hundred and ninety-seven.
Ways to write it
- As an ordinal
- four hundred thousand nine hundred and ninety-seventh
- Expanded form
- 400,000 + 900 + 90 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 0 | 0 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 400,997 (2 factors)
- First 10 multiples
- 400,997, 801,994, 1,202,991, 1,603,988, 2,004,985, 2,405,982, 2,806,979, 3,207,976, 3,608,973, 4,009,970
- Square
- 400,997 × 400,997 = 160,798,594,009
- Square root
- ≈ 633.24
- Sum of the digits
- 4 + 0 + 0 + 9 + 9 + 7 = 29
- Rounded to the nearest 10
- 401,000
- Rounded to the nearest 100
- 401,000
- Rounded to the nearest 1000
- 401,000
- Number before
- 400,996
- Number after
- 400,998
- In binary
1100001111001100101
Quick check
What number comes just after 400,997?
Show the answer
400,998
Is 400,997 even or odd?
Show the answer
Odd
What is 400,997 + 10?
Show the answer
401,007
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 400,997 in words?
400,997 is written "four hundred thousand nine hundred and ninety-seven".
Is 400,997 a prime number?
Yes. 400,997 is a prime number: its only factors are 1 and 400,997.
What are the factors of 400,997?
The factors of 400,997 are 1 and 400,997.