28715592 has 32 divisors (see below), whose sum is σ = 74911680. Its totient is φ = 9155520.

The previous prime is 28715587. The next prime is 28715627. The reversal of 28715592 is 29551782.

It is a self number, because there is not a number n which added to its sum of digits gives 28715592.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25459 + ... + 26562.

It is an arithmetic number, because the mean of its divisors is an integer number (2340990).

Almost surely, 2^28715592 is an apocalyptic number.

It is an amenable number.

28715592 is an abundant number, since it is smaller than the sum of its proper divisors (46196088).

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

28715592 is a wasteful number, since it uses less digits than its factorization.

28715592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52053 (or 52049 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 28715592 is about 5358.6931242608. The cubic root of 28715592 is about 306.2240232305.

The spelling of 28715592 in words is "twenty-eight million, seven hundred fifteen thousand, five hundred ninety-two".