28575032 has 16 divisors (see below), whose sum is σ = 54885600. Its totient is φ = 13938880.

The previous prime is 28574999. The next prime is 28575061. The reversal of 28575032 is 23057582.

It is a self number, because there is not a number n which added to its sum of digits gives 28575032.

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, 43232 + ... + 43887.

It is an arithmetic number, because the mean of its divisors is an integer number (3430350).

Almost surely, 2^28575032 is an apocalyptic number.

It is an amenable number.

28575032 is a deficient number, since it is larger than the sum of its proper divisors (26310568).

28575032 is a wasteful number, since it uses less digits than its factorization.

28575032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87166 (or 87162 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 28575032 is about 5345.5618974996. The cubic root of 28575032 is about 305.7235602708.

The spelling of 28575032 in words is "twenty-eight million, five hundred seventy-five thousand, thirty-two".