30918804 has 36 divisors (see below), whose sum is σ = 83924064. Its totient is φ = 8833776.

The previous prime is 30918803. The next prime is 30918817. The reversal of 30918804 is 40881903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30918803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25704 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (2331224).

Almost surely, 2^30918804 is an apocalyptic number.

It is an amenable number.

30918804 is an abundant number, since it is smaller than the sum of its proper divisors (53005260).

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

30918804 is a wasteful number, since it uses less digits than its factorization.

30918804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52604 (or 52595 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 30918804 is about 5560.4679659180. The cubic root of 30918804 is about 313.8635592593.

The spelling of 30918804 in words is "thirty million, nine hundred eighteen thousand, eight hundred four".