28424924 has 24 divisors (see below), whose sum is σ = 54755568. Its totient is φ = 12803840.

The previous prime is 28424899. The next prime is 28424947. The reversal of 28424924 is 42942482.

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, 2114 + ... + 7830.

It is an arithmetic number, because the mean of its divisors is an integer number (2281482).

Almost surely, 2^28424924 is an apocalyptic number.

It is an amenable number.

28424924 is a deficient number, since it is larger than the sum of its proper divisors (26330644).

28424924 is a wasteful number, since it uses less digits than its factorization.

28424924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5843 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 28424924 is about 5331.5029775852. The cubic root of 28424924 is about 305.1872862090.

The spelling of 28424924 in words is "twenty-eight million, four hundred twenty-four thousand, nine hundred twenty-four".