317494397 has 16 divisors (see below), whose sum is σ = 367353792. Its totient is φ = 271192320.

The previous prime is 317494393. The next prime is 317494403. The reversal of 317494397 is 793494713.

It is a cyclic number.

It is not a de Polignac number, because 317494397 - 2² = 317494393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317494393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153623 + ... + 155675.

It is an arithmetic number, because the mean of its divisors is an integer number (22959612).

Almost surely, 2^317494397 is an apocalyptic number.

It is an amenable number.

317494397 is a deficient number, since it is larger than the sum of its proper divisors (49859395).

317494397 is a wasteful number, since it uses less digits than its factorization.

317494397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its digits is 571536, while the sum is 47.

The square root of 317494397 is about 17818.3724565405. The cubic root of 317494397 is about 682.2004818479.

The spelling of 317494397 in words is "three hundred seventeen million, four hundred ninety-four thousand, three hundred ninety-seven".