317868 has 12 divisors (see below), whose sum is σ = 741720. Its totient is φ = 105952.

The previous prime is 317857. The next prime is 317887. The reversal of 317868 is 868713.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317868.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13233 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (61810).

2³¹⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

317868 is an abundant number, since it is smaller than the sum of its proper divisors (423852).

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

317868 is a wasteful number, since it uses less digits than its factorization.

317868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26496 (or 26494 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 317868 is about 563.7978361079. The cubic root of 317868 is about 68.2467963986.

It can be divided in two parts, 3 and 17868, that added together give a palindrome (17871).

The spelling of 317868 in words is "three hundred seventeen thousand, eight hundred sixty-eight".