30904964 has 12 divisors (see below), whose sum is σ = 54256524. Its totient is φ = 15403104.

The previous prime is 30904961. The next prime is 30904969. The reversal of 30904964 is 46940903.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 25806400 = 2258^2 + 5080^2 .

It is not an unprimeable number, because it can be changed into a prime (30904961) 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, 10919 + ... + 13454.

It is an arithmetic number, because the mean of its divisors is an integer number (4521377).

Almost surely, 2^30904964 is an apocalyptic number.

It is an amenable number.

30904964 is a deficient number, since it is larger than the sum of its proper divisors (23351560).

30904964 is a wasteful number, since it uses less digits than its factorization.

30904964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694 (or 24692 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 30904964 is about 5559.2233270485. The cubic root of 30904964 is about 313.8167213118.

The spelling of 30904964 in words is "thirty million, nine hundred four thousand, nine hundred sixty-four".