317902 has 8 divisors (see below), whose sum is σ = 513576. Its totient is φ = 146712.

The previous prime is 317887. The next prime is 317903. The reversal of 317902 is 209713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317903) 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 3 ways as a sum of consecutive naturals, for example, 6088 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (64197).

2³¹⁷⁹⁰² is an apocalyptic number.

317902 is a deficient number, since it is larger than the sum of its proper divisors (195674).

317902 is a wasteful number, since it uses less digits than its factorization.

317902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 317902 is about 563.8279879538. The cubic root of 317902 is about 68.2492295977.

The spelling of 317902 in words is "three hundred seventeen thousand, nine hundred two".