28805124 has 48 divisors (see below), whose sum is σ = 69543936. Its totient is φ = 9273600.

The previous prime is 28805113. The next prime is 28805171. The reversal of 28805124 is 42150882.

It is a junction number, because it is equal to n+sod(n) for n = 28805091 and 28805100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62254 + ... + 62714.

It is an arithmetic number, because the mean of its divisors is an integer number (1448832).

Almost surely, 2^28805124 is an apocalyptic number.

It is an amenable number.

28805124 is an abundant number, since it is smaller than the sum of its proper divisors (40738812).

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

28805124 is a wasteful number, since it uses less digits than its factorization.

28805124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 28805124 is about 5367.0405252802. The cubic root of 28805124 is about 306.5419504421.

The spelling of 28805124 in words is "twenty-eight million, eight hundred five thousand, one hundred twenty-four".