28605372 has 48 divisors (see below), whose sum is σ = 69727392. Its totient is φ = 9118720.

The previous prime is 28605361. The next prime is 28605389. The reversal of 28605372 is 27350682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25528 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (1452654).

Almost surely, 2^28605372 is an apocalyptic number.

It is an amenable number.

28605372 is an abundant number, since it is smaller than the sum of its proper divisors (41122020).

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

28605372 is a wasteful number, since it uses less digits than its factorization.

28605372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 28605372 is about 5348.3990127888. The cubic root of 28605372 is about 305.8317243013.

The spelling of 28605372 in words is "twenty-eight million, six hundred five thousand, three hundred seventy-two".