317288 has 16 divisors (see below), whose sum is σ = 630180. Its totient is φ = 149248.

The previous prime is 317279. The next prime is 317321. The reversal of 317288 is 882713.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 1444 = 562^2 + 38^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 317288.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317288.

It is an unprimeable number.

317288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031 + ... + 1302.

2³¹⁷²⁸⁸ is an apocalyptic number.

It is an amenable number.

317288 is a deficient number, since it is larger than the sum of its proper divisors (312892).

317288 is a wasteful number, since it uses less digits than its factorization.

317288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2352 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 317288 is about 563.2832324861. The cubic root of 317288 is about 68.2052621333.

The spelling of 317288 in words is "three hundred seventeen thousand, two hundred eighty-eight".