30825788 has 12 divisors (see below), whose sum is σ = 61651632. Its totient is φ = 13211040.

The previous prime is 30825779. The next prime is 30825793. The reversal of 30825788 is 88752803.

30825788 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, 550433 + ... + 550488.

It is an arithmetic number, because the mean of its divisors is an integer number (5137636).

Almost surely, 2^30825788 is an apocalyptic number.

It is an amenable number.

30825788 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.

30825788 is a wasteful number, since it uses less digits than its factorization.

30825788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100932 (or 1100930 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 30825788 is about 5552.0976216201. The cubic root of 30825788 is about 313.5485011705.

It can be divided in two parts, 30825 and 788, that added together give a palindrome (31613).

The spelling of 30825788 in words is "thirty million, eight hundred twenty-five thousand, seven hundred eighty-eight".