28674624 has 56 divisors (see below), whose sum is σ = 82771488. Its totient is φ = 8688640.

The previous prime is 28674617. The next prime is 28674641. The reversal of 28674624 is 42647682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677 + ... + 8900.

Almost surely, 2^28674624 is an apocalyptic number.

28674624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28674624 is an abundant number, since it is smaller than the sum of its proper divisors (54096864).

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

28674624 is a wasteful number, since it uses less digits than its factorization.

28674624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603 (or 13593 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 28674624 is about 5354.8691860773. The cubic root of 28674624 is about 306.0783258848.

The spelling of 28674624 in words is "twenty-eight million, six hundred seventy-four thousand, six hundred twenty-four".