317863 has 12 divisors (see below), whose sum is σ = 399000. Its totient is φ = 250992.

The previous prime is 317857. The next prime is 317887. The reversal of 317863 is 368713.

It is not a de Polignac number, because 317863 - 2⁵ = 317831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317063) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 388 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (33250).

2³¹⁷⁸⁶³ is an apocalyptic number.

317863 is a deficient number, since it is larger than the sum of its proper divisors (81137).

317863 is a wasteful number, since it uses less digits than its factorization.

317863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 317863 is about 563.7934018770. The cubic root of 317863 is about 68.2464385606.

The spelling of 317863 in words is "three hundred seventeen thousand, eight hundred sixty-three".