28844828 has 12 divisors (see below), whose sum is σ = 50641920. Its totient is φ = 14375712.

The previous prime is 28844819. The next prime is 28844843. The reversal of 28844828 is 82844882.

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 3 ways as a sum of consecutive naturals, for example, 10268 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (4220160).

Almost surely, 2^28844828 is an apocalyptic number.

It is an amenable number.

28844828 is a deficient number, since it is larger than the sum of its proper divisors (21797092).

28844828 is a wasteful number, since it uses less digits than its factorization.

28844828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23356 (or 23354 counting only the distinct ones).

The product of its digits is 262144, while the sum is 44.

The square root of 28844828 is about 5370.7381243177. The cubic root of 28844828 is about 306.6827281023.

The spelling of 28844828 in words is "twenty-eight million, eight hundred forty-four thousand, eight hundred twenty-eight".