318864964 has 24 divisors (see below), whose sum is σ = 625197888. Its totient is φ = 141020640.

The previous prime is 318864943. The next prime is 318865007. The reversal of 318864964 is 469468813.

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, 96304 + ... + 99559.

It is an arithmetic number, because the mean of its divisors is an integer number (26049912).

Almost surely, 2^318864964 is an apocalyptic number.

It is an amenable number.

318864964 is a deficient number, since it is larger than the sum of its proper divisors (306332924).

318864964 is a wasteful number, since it uses less digits than its factorization.

318864964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195915 (or 195913 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 318864964 is about 17856.7904170934. The cubic root of 318864964 is about 683.1807188560.

The spelling of 318864964 in words is "three hundred eighteen million, eight hundred sixty-four thousand, nine hundred sixty-four".