28844072 has 16 divisors (see below), whose sum is σ = 54146400. Its totient is φ = 14405040.

The previous prime is 28844059. The next prime is 28844083. The reversal of 28844072 is 27044882.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7829 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (3384150).

Almost surely, 2^28844072 is an apocalyptic number.

It is an amenable number.

28844072 is a deficient number, since it is larger than the sum of its proper divisors (25302328).

28844072 is a wasteful number, since it uses less digits than its factorization.

28844072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256 (or 4252 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 28844072 is about 5370.6677424693. The cubic root of 28844072 is about 306.6800487754.

The spelling of 28844072 in words is "twenty-eight million, eight hundred forty-four thousand, seventy-two".