28804176 has 30 divisors (see below), whose sum is σ = 80612090. Its totient is φ = 9601344.

The previous prime is 28804157. The next prime is 28804183. The reversal of 28804176 is 67140882.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 2178576 = 5160^2 + 1476^2 .

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 28804176.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 99871 + ... + 100158.

Almost surely, 2^28804176 is an apocalyptic number.

It is an amenable number.

28804176 is an abundant number, since it is smaller than the sum of its proper divisors (51807914).

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

28804176 is a wasteful number, since it uses less digits than its factorization.

28804176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200043 (or 200034 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28804176 is about 5366.9522077246. The cubic root of 28804176 is about 306.5385875571.

It can be divided in two parts, 2880 and 4176, that added together give a square (7056 = 84²).

The spelling of 28804176 in words is "twenty-eight million, eight hundred four thousand, one hundred seventy-six".