30812804 has 24 divisors (see below), whose sum is σ = 58974048. Its totient is φ = 13970240.

The previous prime is 30812783. The next prime is 30812827. The reversal of 30812804 is 40821803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25232 + ... + 26424.

It is an arithmetic number, because the mean of its divisors is an integer number (2457252).

Almost surely, 2^30812804 is an apocalyptic number.

It is an amenable number.

30812804 is a deficient number, since it is larger than the sum of its proper divisors (28161244).

30812804 is a wasteful number, since it uses less digits than its factorization.

30812804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 30812804 is about 5550.9282106689. The cubic root of 30812804 is about 313.5044721747.

It can be divided in two parts, 3081 and 2804, that added together give a palindrome (5885).

The spelling of 30812804 in words is "thirty million, eight hundred twelve thousand, eight hundred four".