30804788 has 12 divisors (see below), whose sum is σ = 61609632. Its totient is φ = 13202040.

The previous prime is 30804749. The next prime is 30804803. The reversal of 30804788 is 88740803.

30804788 is an admirable number.

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, 550058 + ... + 550113.

It is an arithmetic number, because the mean of its divisors is an integer number (5134136).

Almost surely, 2^30804788 is an apocalyptic number.

It is an amenable number.

30804788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30804788 is a wasteful number, since it uses less digits than its factorization.

30804788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100182 (or 1100180 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 30804788 is about 5550.2061222985. The cubic root of 30804788 is about 313.4772835878.

The spelling of 30804788 in words is "thirty million, eight hundred four thousand, seven hundred eighty-eight".