316808 has 12 divisors (see below), whose sum is σ = 597015. Its totient is φ = 157608.

The previous prime is 316801. The next prime is 316817. The reversal of 316808 is 808613.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 158404 = 398^2 + 398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=398.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316808.

It is not an unprimeable number, because it can be changed into a prime (316801) by changing a digit.

316808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1493 + ... + 1691.

2³¹⁶⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

316808 is a deficient number, since it is larger than the sum of its proper divisors (280207).

316808 is an equidigital number, since it uses as much as digits as its factorization.

316808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 316808 is about 562.8569978245. The cubic root of 316808 is about 68.1708506534.

Multiplying 316808 by its product of nonzero digits (1152), we get a square (364962816 = 19104²).

The spelling of 316808 in words is "three hundred sixteen thousand, eight hundred eight".