320908 has 24 divisors (see below), whose sum is σ = 654752. Its totient is φ = 134784.

The previous prime is 320899. The next prime is 320911. The reversal of 320908 is 809023.

It is an unprimeable number.

320908 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 7 ways as a sum of consecutive naturals, for example, 1966 + ... + 2122.

2³²⁰⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

320908 is an abundant number, since it is smaller than the sum of its proper divisors (333844).

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

320908 is a wasteful number, since it uses less digits than its factorization.

320908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 320908 is about 566.4874226318. The cubic root of 320908 is about 68.4636708635.

The spelling of 320908 in words is "three hundred twenty thousand, nine hundred eight".