28568548 has 12 divisors (see below), whose sum is σ = 50052352. Its totient is φ = 14267880.

The previous prime is 28568543. The next prime is 28568563. The reversal of 28568548 is 84586582.

It is a junction number, because it is equal to n+sod(n) for n = 28568498 and 28568507.

It is not an unprimeable number, because it can be changed into a prime (28568543) 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, 361 + ... + 7567.

Almost surely, 2^28568548 is an apocalyptic number.

It is an amenable number.

28568548 is a deficient number, since it is larger than the sum of its proper divisors (21483804).

28568548 is a wasteful number, since it uses less digits than its factorization.

28568548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202 (or 8200 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 28568548 is about 5344.9553786725. The cubic root of 28568548 is about 305.7004344697.

The spelling of 28568548 in words is "twenty-eight million, five hundred sixty-eight thousand, five hundred forty-eight".