317938 has 8 divisors (see below), whose sum is σ = 483840. Its totient is φ = 156660.

The previous prime is 317923. The next prime is 317957. The reversal of 317938 is 839713.

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

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, 978 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2³¹⁷⁹³⁸ is an apocalyptic number.

317938 is a deficient number, since it is larger than the sum of its proper divisors (165902).

317938 is a wasteful number, since it uses less digits than its factorization.

317938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 4536, while the sum is 31.

The square root of 317938 is about 563.8599116802. The cubic root of 317938 is about 68.2518057370.

The spelling of 317938 in words is "three hundred seventeen thousand, nine hundred thirty-eight".