320964 has 24 divisors (see below), whose sum is σ = 856128. Its totient is φ = 91680.

The previous prime is 320953. The next prime is 321007. The reversal of 320964 is 469023.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320964.

It is an unprimeable number.

320964 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, 1827 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (35672).

2³²⁰⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

320964 is an abundant number, since it is smaller than the sum of its proper divisors (535164).

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

320964 is a wasteful number, since it uses less digits than its factorization.

320964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 320964 is about 566.5368478749. The cubic root of 320964 is about 68.4676530459.

Adding to 320964 its reverse (469023), we get a palindrome (789987).

The spelling of 320964 in words is "three hundred twenty thousand, nine hundred sixty-four".