28295532 has 36 divisors (see below), whose sum is σ = 73993920. Its totient is φ = 9106272.

The previous prime is 28295479. The next prime is 28295557. The reversal of 28295532 is 23559282.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12508 + ... + 14595.

Almost surely, 2^28295532 is an apocalyptic number.

It is an amenable number.

28295532 is an abundant number, since it is smaller than the sum of its proper divisors (45698388).

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

28295532 is a wasteful number, since it uses less digits than its factorization.

28295532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27142 (or 27137 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28295532 is about 5319.3544721141. The cubic root of 28295532 is about 304.7235046840.

The spelling of 28295532 in words is "twenty-eight million, two hundred ninety-five thousand, five hundred thirty-two".