28288024 has 16 divisors (see below), whose sum is σ = 53149320. Its totient is φ = 14114880.

The previous prime is 28288019. The next prime is 28288037. The reversal of 28288024 is 42088282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 7564.

Almost surely, 2^28288024 is an apocalyptic number.

It is an amenable number.

28288024 is a deficient number, since it is larger than the sum of its proper divisors (24861296).

28288024 is a wasteful number, since it uses less digits than its factorization.

28288024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 28288024 is about 5318.6487005630. The cubic root of 28288024 is about 304.6965502935.

The spelling of 28288024 in words is "twenty-eight million, two hundred eighty-eight thousand, twenty-four".