317893490 has 16 divisors (see below), whose sum is σ = 572495040. Its totient is φ = 127093680.

The previous prime is 317893487. The next prime is 317893517. The reversal of 317893490 is 94398713.

It is a happy number.

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, 16595 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (35780940).

Almost surely, 2^317893490 is an apocalyptic number.

317893490 is a deficient number, since it is larger than the sum of its proper divisors (254601550).

317893490 is a wasteful number, since it uses less digits than its factorization.

317893490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 317893490 is about 17829.5678579151. The cubic root of 317893490 is about 682.4862059854.

The spelling of 317893490 in words is "three hundred seventeen million, eight hundred ninety-three thousand, four hundred ninety".