320868 has 24 divisors (see below), whose sum is σ = 832160. Its totient is φ = 106920.

The previous prime is 320867. The next prime is 320899. The reversal of 320868 is 868023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320868.

It is not an unprimeable number, because it can be changed into a prime (320861) 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, 1378 + ... + 1593.

2³²⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

320868 is an abundant number, since it is smaller than the sum of its proper divisors (511292).

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

320868 is a wasteful number, since it uses less digits than its factorization.

320868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 320868 is about 566.4521162464. The cubic root of 320868 is about 68.4608261639.

The spelling of 320868 in words is "three hundred twenty thousand, eight hundred sixty-eight".