28675824 has 40 divisors (see below), whose sum is σ = 74376192. Its totient is φ = 9520320.

The previous prime is 28675817. The next prime is 28675841. The reversal of 28675824 is 42857682.

It is a happy number.

It is a congruent number.

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, 12529 + ... + 14639.

Almost surely, 2^28675824 is an apocalyptic number.

28675824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28675824 is an abundant number, since it is smaller than the sum of its proper divisors (45700368).

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

28675824 is a wasteful number, since it uses less digits than its factorization.

28675824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2399 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 28675824 is about 5354.9812324601. The cubic root of 28675824 is about 306.0825955004.

The spelling of 28675824 in words is "twenty-eight million, six hundred seventy-five thousand, eight hundred twenty-four".