28375956 has 36 divisors (see below), whose sum is σ = 81975712. Its totient is φ = 8107344.

The previous prime is 28375939. The next prime is 28375961. The reversal of 28375956 is 65957382.

It is a happy number.

28375956 is a `hidden beast` number, since 28 + 37 + 595 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56050 + ... + 56553.

Almost surely, 2^28375956 is an apocalyptic number.

It is an amenable number.

28375956 is an abundant number, since it is smaller than the sum of its proper divisors (53599756).

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

28375956 is a wasteful number, since it uses less digits than its factorization.

28375956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112620 (or 112615 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 28375956 is about 5326.9086720161. The cubic root of 28375956 is about 305.0119353925.

The spelling of 28375956 in words is "twenty-eight million, three hundred seventy-five thousand, nine hundred fifty-six".