317668 has 24 divisors (see below), whose sum is σ = 617400. Its totient is φ = 142080.

The previous prime is 317663. The next prime is 317671. The reversal of 317668 is 866713.

It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 289444 = 168^2 + 538^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317663) 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, 2058 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (25725).

2³¹⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

317668 is a deficient number, since it is larger than the sum of its proper divisors (299732).

317668 is a wasteful number, since it uses less digits than its factorization.

317668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 317668 is about 563.6204396578. The cubic root of 317668 is about 68.2324799497.

It can be divided in two parts, 3 and 17668, that added together give a palindrome (17671).

The spelling of 317668 in words is "three hundred seventeen thousand, six hundred sixty-eight".