318397674 has 32 divisors (see below), whose sum is σ = 739702656. Its totient is φ = 89478720.

The previous prime is 318397661. The next prime is 318397721. The reversal of 318397674 is 476793813.

It is a super-2 number, since 2×318397674² = 202754157617220552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59577 + ... + 64700.

It is an arithmetic number, because the mean of its divisors is an integer number (23115708).

Almost surely, 2^318397674 is an apocalyptic number.

318397674 is an abundant number, since it is smaller than the sum of its proper divisors (421304982).

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

318397674 is a wasteful number, since it uses less digits than its factorization.

318397674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124350.

The product of its digits is 762048, while the sum is 48.

The square root of 318397674 is about 17843.7012416146. The cubic root of 318397674 is about 682.8468266346.

The spelling of 318397674 in words is "three hundred eighteen million, three hundred ninety-seven thousand, six hundred seventy-four".