316886 has 4 divisors (see below), whose sum is σ = 475332. Its totient is φ = 158442.

The previous prime is 316879. The next prime is 316891. The reversal of 316886 is 688613.

316886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688613 = 179 ⋅3847.

It is a congruent number.

It is an unprimeable number.

316886 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79220 + ... + 79223.

It is an arithmetic number, because the mean of its divisors is an integer number (118833).

2³¹⁶⁸⁸⁶ is an apocalyptic number.

316886 is a deficient number, since it is larger than the sum of its proper divisors (158446).

316886 is a wasteful number, since it uses less digits than its factorization.

316886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158445.

The product of its digits is 6912, while the sum is 32.

The square root of 316886 is about 562.9262829181. The cubic root of 316886 is about 68.1764448829.

The spelling of 316886 in words is "three hundred sixteen thousand, eight hundred eighty-six".