30056864 has 24 divisors (see below), whose sum is σ = 59401440. Its totient is φ = 14970816.

The previous prime is 30056861. The next prime is 30056909. The reversal of 30056864 is 46865003.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 30056864.

It is not an unprimeable number, because it can be changed into a prime (30056861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7397 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (2475060).

Almost surely, 2^30056864 is an apocalyptic number.

It is an amenable number.

30056864 is a deficient number, since it is larger than the sum of its proper divisors (29344576).

30056864 is a wasteful number, since it uses less digits than its factorization.

30056864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 30056864 is about 5482.4140668140. The cubic root of 30056864 is about 310.9194485400.

The spelling of 30056864 in words is "thirty million, fifty-six thousand, eight hundred sixty-four".