320115404 has 12 divisors (see below), whose sum is σ = 640230864. Its totient is φ = 137192304.

The previous prime is 320115391. The next prime is 320115421. The reversal of 320115404 is 404511023.

320115404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

320115404 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716319 + ... + 5716374.

It is an arithmetic number, because the mean of its divisors is an integer number (53352572).

Almost surely, 2^320115404 is an apocalyptic number.

It is an amenable number.

320115404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320115404 is a wasteful number, since it uses less digits than its factorization.

320115404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432704 (or 11432702 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 320115404 is about 17891.7691690900. The cubic root of 320115404 is about 684.0725929817.

Adding to 320115404 its reverse (404511023), we get a palindrome (724626427).

The spelling of 320115404 in words is "three hundred twenty million, one hundred fifteen thousand, four hundred four".