312568 has 16 divisors (see below), whose sum is σ = 594000. Its totient is φ = 154176.

The previous prime is 312563. The next prime is 312581. The reversal of 312568 is 865213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312563) by changing a digit.

312568 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, 493 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (37125).

2³¹²⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

312568 is a deficient number, since it is larger than the sum of its proper divisors (281432).

312568 is a wasteful number, since it uses less digits than its factorization.

312568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 530 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 312568 is about 559.0778121156. The cubic root of 312568 is about 67.8653622018.

The spelling of 312568 in words is "three hundred twelve thousand, five hundred sixty-eight".