28455324 has 24 divisors (see below), whose sum is σ = 69283200. Its totient is φ = 9072624.

The previous prime is 28455319. The next prime is 28455337. The reversal of 28455324 is 42355482.

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, 51274 + ... + 51825.

It is an arithmetic number, because the mean of its divisors is an integer number (2886800).

Almost surely, 2^28455324 is an apocalyptic number.

It is an amenable number.

28455324 is an abundant number, since it is smaller than the sum of its proper divisors (40827876).

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

28455324 is a wasteful number, since it uses less digits than its factorization.

28455324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103129 (or 103127 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 28455324 is about 5334.3531941558. The cubic root of 28455324 is about 305.2960450810.

The spelling of 28455324 in words is "twenty-eight million, four hundred fifty-five thousand, three hundred twenty-four".