316986 has 16 divisors (see below), whose sum is σ = 661824. Its totient is φ = 101024.

The previous prime is 316961. The next prime is 316991. The reversal of 316986 is 689613.

316986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316986.

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, 1011 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (41364).

2³¹⁶⁹⁸⁶ is an apocalyptic number.

316986 is an abundant number, since it is smaller than the sum of its proper divisors (344838).

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

316986 is a wasteful number, since it uses less digits than its factorization.

316986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its digits is 7776, while the sum is 33.

The square root of 316986 is about 563.0150974885. The cubic root of 316986 is about 68.1836156294.

The spelling of 316986 in words is "three hundred sixteen thousand, nine hundred eighty-six".