318956 has 18 divisors (see below), whose sum is σ = 614460. Its totient is φ = 144760.

The previous prime is 318949. The next prime is 318979. The reversal of 318956 is 659813.

318956 is nontrivially palindromic in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155 + ... + 813.

2³¹⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

318956 is a deficient number, since it is larger than the sum of its proper divisors (295504).

318956 is a wasteful number, since it uses less digits than its factorization.

318956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 672 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 318956 is about 564.7618967317. The cubic root of 318956 is about 68.3245728739.

The spelling of 318956 in words is "three hundred eighteen thousand, nine hundred fifty-six".