28475952 has 40 divisors (see below), whose sum is σ = 77892336. Its totient is φ = 8933376.

The previous prime is 28475917. The next prime is 28475963. The reversal of 28475952 is 25957482.

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, 16633 + ... + 18264.

Almost surely, 2^28475952 is an apocalyptic number.

It is an amenable number.

28475952 is an abundant number, since it is smaller than the sum of its proper divisors (49416384).

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

28475952 is a wasteful number, since it uses less digits than its factorization.

28475952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34925 (or 34919 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 28475952 is about 5336.2863491383. The cubic root of 28475952 is about 305.3697995936.

The spelling of 28475952 in words is "twenty-eight million, four hundred seventy-five thousand, nine hundred fifty-two".