320960 has 56 divisors (see below), whose sum is σ = 822960. Its totient is φ = 118784.

The previous prime is 320953. The next prime is 321007. The reversal of 320960 is 69023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

320960 is a modest number, since divided by 960 gives 320 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320960.

It is an unprimeable number.

320960 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, 5411 + ... + 5469.

2³²⁰⁹⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411480).

320960 is an abundant number, since it is smaller than the sum of its proper divisors (502000).

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

320960 is a wasteful number, since it uses less digits than its factorization.

320960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 320960 is about 566.5333176434. The cubic root of 320960 is about 68.4673686197.

Adding to 320960 its reverse (69023), we get a palindrome (389983).

The spelling of 320960 in words is "three hundred twenty thousand, nine hundred sixty".