317028 has 24 divisors (see below), whose sum is σ = 766080. Its totient is φ = 101920.

The previous prime is 317021. The next prime is 317029. The reversal of 317028 is 820713.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 316995 and 317013.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317028.

It is not an unprimeable number, because it can be changed into a prime (317021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2³¹⁷⁰²⁸ is an apocalyptic number.

It is an amenable number.

317028 is an abundant number, since it is smaller than the sum of its proper divisors (449052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317028 is a wasteful number, since it uses less digits than its factorization.

317028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 317028 is about 563.0523954305. The cubic root of 317028 is about 68.1866268932.

The spelling of 317028 in words is "three hundred seventeen thousand, twenty-eight".