317388 has 12 divisors (see below), whose sum is σ = 740600. Its totient is φ = 105792.

The previous prime is 317371. The next prime is 317399. The reversal of 317388 is 883713.

317388 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 13213 + ... + 13236.

2³¹⁷³⁸⁸ is an apocalyptic number.

It is an amenable number.

317388 is an abundant number, since it is smaller than the sum of its proper divisors (423212).

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

317388 is a wasteful number, since it uses less digits than its factorization.

317388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26456 (or 26454 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 317388 is about 563.3719907841. The cubic root of 317388 is about 68.2124268226.

It can be divided in two parts, 3 and 17388, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 317388 in words is "three hundred seventeen thousand, three hundred eighty-eight".