28805324 has 24 divisors (see below), whose sum is σ = 52311168. Its totient is φ = 13864320.

The previous prime is 28805317. The next prime is 28805333. The reversal of 28805324 is 42350882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28394 + ... + 29390.

It is an arithmetic number, because the mean of its divisors is an integer number (2179632).

Almost surely, 2^28805324 is an apocalyptic number.

It is an amenable number.

28805324 is a deficient number, since it is larger than the sum of its proper divisors (23505844).

28805324 is a wasteful number, since it uses less digits than its factorization.

28805324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28805324 is about 5367.0591574903. The cubic root of 28805324 is about 306.5426599021.

The spelling of 28805324 in words is "twenty-eight million, eight hundred five thousand, three hundred twenty-four".