30939004 has 12 divisors (see below), whose sum is σ = 54282424. Its totient is φ = 15429744.

The previous prime is 30939001. The next prime is 30939043. The reversal of 30939004 is 40093903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30939001) 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, 8154 + ... + 11329.

Almost surely, 2^30939004 is an apocalyptic number.

It is an amenable number.

30939004 is a deficient number, since it is larger than the sum of its proper divisors (23343420).

30939004 is a wasteful number, since it uses less digits than its factorization.

30939004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30939004 is about 5562.2840632244. The cubic root of 30939004 is about 313.9318959226.

The spelling of 30939004 in words is "thirty million, nine hundred thirty-nine thousand, four".