320416004 has 24 divisors (see below), whose sum is σ = 577368960. Its totient is φ = 155475936.

The previous prime is 320415947. The next prime is 320416081. The reversal of 320416004 is 400614023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59429 + ... + 64595.

It is an arithmetic number, because the mean of its divisors is an integer number (24057040).

Almost surely, 2^320416004 is an apocalyptic number.

It is an amenable number.

320416004 is a deficient number, since it is larger than the sum of its proper divisors (256952956).

320416004 is a wasteful number, since it uses less digits than its factorization.

320416004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 320416004 is about 17900.1677087116. The cubic root of 320416004 is about 684.2866490034.

The spelling of 320416004 in words is "three hundred twenty million, four hundred sixteen thousand, four".