317993006 has 8 divisors (see below), whose sum is σ = 502094280. Its totient is φ = 150628248.

The previous prime is 317992999. The next prime is 317993017. The reversal of 317993006 is 600399713.

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

It is a super-2 number, since 2×317993006² = 202239103729832072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 8368237 = 317993006 / (3 + 1 + 7 + 9 + 9 + 3 + 0 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184081 + ... + 4184156.

It is an arithmetic number, because the mean of its divisors is an integer number (62761785).

Almost surely, 2^317993006 is an apocalyptic number.

317993006 is a deficient number, since it is larger than the sum of its proper divisors (184101274).

317993006 is a wasteful number, since it uses less digits than its factorization.

317993006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368258.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 317993006 is about 17832.3583970265. The cubic root of 317993006 is about 682.5574155922.

The spelling of 317993006 in words is "three hundred seventeen million, nine hundred ninety-three thousand, six".