320604 has 12 divisors (see below), whose sum is σ = 748104. Its totient is φ = 106864.

The previous prime is 320591. The next prime is 320609. The reversal of 320604 is 406023.

320604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 320604.

It is not an unprimeable number, because it can be changed into a prime (320609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13347 + ... + 13370.

It is an arithmetic number, because the mean of its divisors is an integer number (62342).

2³²⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

320604 is an abundant number, since it is smaller than the sum of its proper divisors (427500).

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

320604 is a wasteful number, since it uses less digits than its factorization.

320604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724 (or 26722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320604 is about 566.2190388887. The cubic root of 320604 is about 68.4420452143.

Adding to 320604 its reverse (406023), we get a palindrome (726627).

The spelling of 320604 in words is "three hundred twenty thousand, six hundred four".