28112796 has 36 divisors (see below), whose sum is σ = 71418984. Its totient is φ = 9324000.

The previous prime is 28112789. The next prime is 28112809. The reversal of 28112796 is 69721182.

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 a self number, because there is not a number n which added to its sum of digits gives 28112796.

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, 5746 + ... + 9446.

Almost surely, 2^28112796 is an apocalyptic number.

It is an amenable number.

28112796 is an abundant number, since it is smaller than the sum of its proper divisors (43306188).

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

28112796 is a wasteful number, since it uses less digits than its factorization.

28112796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3917 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 28112796 is about 5302.1501299001. The cubic root of 28112796 is about 304.0661069301.

The spelling of 28112796 in words is "twenty-eight million, one hundred twelve thousand, seven hundred ninety-six".