28565792 has 24 divisors (see below), whose sum is σ = 56364336. Its totient is φ = 14251072.

The previous prime is 28565791. The next prime is 28565809. The reversal of 28565792 is 29756582.

It is not an unprimeable number, because it can be changed into a prime (28565791) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21203 + ... + 22509.

It is an arithmetic number, because the mean of its divisors is an integer number (2348514).

Almost surely, 2^28565792 is an apocalyptic number.

It is an amenable number.

28565792 is a deficient number, since it is larger than the sum of its proper divisors (27798544).

28565792 is a wasteful number, since it uses less digits than its factorization.

28565792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1992 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 28565792 is about 5344.6975592638. The cubic root of 28565792 is about 305.6906038745.

The spelling of 28565792 in words is "twenty-eight million, five hundred sixty-five thousand, seven hundred ninety-two".