317248394 has 16 divisors (see below), whose sum is σ = 481604928. Its totient is φ = 156719232.

The previous prime is 317248381. The next prime is 317248403. The reversal of 317248394 is 493842713.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158669 + ... + 160655.

It is an arithmetic number, because the mean of its divisors is an integer number (30100308).

Almost surely, 2^317248394 is an apocalyptic number.

317248394 is a deficient number, since it is larger than the sum of its proper divisors (164356534).

317248394 is a wasteful number, since it uses less digits than its factorization.

317248394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909.

The product of its digits is 145152, while the sum is 41.

The square root of 317248394 is about 17811.4680473003. The cubic root of 317248394 is about 682.0242407026.

The spelling of 317248394 in words is "three hundred seventeen million, two hundred forty-eight thousand, three hundred ninety-four".