297983969 has 2 divisors, whose sum is σ = 297983970. Its totient is φ = 297983968.

The previous prime is 297983953. The next prime is 297984017. The reversal of 297983969 is 969389792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218684944 + 79299025 = 14788^2 + 8905^2 .

It is a cyclic number.

It is not a de Polignac number, because 297983969 - 2⁴ = 297983953 is a prime.

It is a super-2 number, since 2×297983969² = 177588891561985922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297983069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148991984 + 148991985.

It is an arithmetic number, because the mean of its divisors is an integer number (148991985).

Almost surely, 2^297983969 is an apocalyptic number.

It is an amenable number.

297983969 is a deficient number, since it is larger than the sum of its proper divisors (1).

297983969 is an equidigital number, since it uses as much as digits as its factorization.

297983969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 62.

The square root of 297983969 is about 17262.2121699393. The cubic root of 297983969 is about 667.9300255686.

The spelling of 297983969 in words is "two hundred ninety-seven million, nine hundred eighty-three thousand, nine hundred sixty-nine".