28792204 has 36 divisors (see below), whose sum is σ = 59466960. Its totient is φ = 12159840.

The previous prime is 28792189. The next prime is 28792207. The reversal of 28792204 is 40229782.

It is a super-2 number, since 2×28792204² = 1657982022355232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28792204.

It is not an unprimeable number, because it can be changed into a prime (28792207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12882 + ... + 14950.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 2^28792204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28792204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29733480).

28792204 is an abundant number, since it is smaller than the sum of its proper divisors (30674756).

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

28792204 is a wasteful number, since it uses less digits than its factorization.

28792204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28792204 is about 5365.8367474235. The cubic root of 28792204 is about 306.4961123673.

The spelling of 28792204 in words is "twenty-eight million, seven hundred ninety-two thousand, two hundred four".