30368904 has 32 divisors (see below), whose sum is σ = 76352640. Its totient is φ = 10065600.

The previous prime is 30368903. The next prime is 30368957. The reversal of 30368904 is 40986303.

It is a super-2 number, since 2×30368904² = 1844540660322432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30368903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849 + ... + 7839.

It is an arithmetic number, because the mean of its divisors is an integer number (2386020).

Almost surely, 2^30368904 is an apocalyptic number.

It is an amenable number.

30368904 is an abundant number, since it is smaller than the sum of its proper divisors (45983736).

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

30368904 is a wasteful number, since it uses less digits than its factorization.

30368904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30368904 is about 5510.7988531609. The cubic root of 30368904 is about 311.9916993189.

The spelling of 30368904 in words is "thirty million, three hundred sixty-eight thousand, nine hundred four".