297138468 has 24 divisors (see below), whose sum is σ = 756352800. Its totient is φ = 90041920.

The previous prime is 297138431. The next prime is 297138497. The reversal of 297138468 is 864831792.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125393 + ... + 1125656.

It is an arithmetic number, because the mean of its divisors is an integer number (31514700).

Almost surely, 2^297138468 is an apocalyptic number.

It is an amenable number.

297138468 is an abundant number, since it is smaller than the sum of its proper divisors (459214332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297138468 is a wasteful number, since it uses less digits than its factorization.

297138468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251067 (or 2251065 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 297138468 is about 17237.7048356212. The cubic root of 297138468 is about 667.2976979553.

It can be divided in two parts, 297138 and 468, that added together give a triangular number (297606 = T₇₇₁).

The spelling of 297138468 in words is "two hundred ninety-seven million, one hundred thirty-eight thousand, four hundred sixty-eight".