297649323 has 20 divisors (see below), whose sum is σ = 449051328. Its totient is φ = 196462800.

The previous prime is 297649291. The next prime is 297649333. The reversal of 297649323 is 323946792.

It is not a de Polignac number, because 297649323 - 2⁵ = 297649291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (297649333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10011 + ... + 26372.

Almost surely, 2^297649323 is an apocalyptic number.

297649323 is a deficient number, since it is larger than the sum of its proper divisors (151402005).

297649323 is a wasteful number, since it uses less digits than its factorization.

297649323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36496 (or 36487 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 297649323 is about 17252.5164251480. The cubic root of 297649323 is about 667.6798959639.

The spelling of 297649323 in words is "two hundred ninety-seven million, six hundred forty-nine thousand, three hundred twenty-three".