313808 has 20 divisors (see below), whose sum is σ = 663648. Its totient is φ = 142560.

The previous prime is 313783. The next prime is 313829. The reversal of 313808 is 808313.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

313808 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 3 ways as a sum of consecutive naturals, for example, 716 + ... + 1067.

2³¹³⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

313808 is an abundant number, since it is smaller than the sum of its proper divisors (349840).

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

313808 is a wasteful number, since it uses less digits than its factorization.

313808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 313808 is about 560.1856835015. The cubic root of 313808 is about 67.9549875117.

The spelling of 313808 in words is "three hundred thirteen thousand, eight hundred eight".