297938923 has 16 divisors (see below), whose sum is σ = 333607680. Its totient is φ = 264729600.

The previous prime is 297938909. The next prime is 297938939. The reversal of 297938923 is 329839792.

It is a cyclic number.

It is not a de Polignac number, because 297938923 - 2⁵ = 297938891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297938983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14713 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (20850480).

Almost surely, 2^297938923 is an apocalyptic number.

297938923 is a deficient number, since it is larger than the sum of its proper divisors (35668757).

297938923 is a wasteful number, since it uses less digits than its factorization.

297938923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878.

The product of its digits is 1469664, while the sum is 52.

The square root of 297938923 is about 17260.9073631718. The cubic root of 297938923 is about 667.8963670552.

The spelling of 297938923 in words is "two hundred ninety-seven million, nine hundred thirty-eight thousand, nine hundred twenty-three".