28030564 has 12 divisors (see below), whose sum is σ = 49100800. Its totient is φ = 14001768.

The previous prime is 28030553. The next prime is 28030591. The reversal of 28030564 is 46503082.

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, 2377 + ... + 7855.

Almost surely, 2^28030564 is an apocalyptic number.

It is an amenable number.

28030564 is a deficient number, since it is larger than the sum of its proper divisors (21070236).

28030564 is a wasteful number, since it uses less digits than its factorization.

28030564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28030564 is about 5294.3898609755. The cubic root of 28030564 is about 303.7693454686.

The spelling of 28030564 in words is "twenty-eight million, thirty thousand, five hundred sixty-four".