30865204 has 12 divisors (see below), whose sum is σ = 54157824. Its totient is φ = 15391544.

The previous prime is 30865189. The next prime is 30865223. The reversal of 30865204 is 40256803.

It is a congruent 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, 8542 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (4513152).

Almost surely, 2^30865204 is an apocalyptic number.

It is an amenable number.

30865204 is a deficient number, since it is larger than the sum of its proper divisors (23292620).

30865204 is a wasteful number, since it uses less digits than its factorization.

30865204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20534 (or 20532 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30865204 is about 5555.6461370393. The cubic root of 30865204 is about 313.6820859020.

The spelling of 30865204 in words is "thirty million, eight hundred sixty-five thousand, two hundred four".