28008044 has 12 divisors (see below), whose sum is σ = 51897384. Its totient is φ = 13180224.

The previous prime is 28008037. The next prime is 28008047. The reversal of 28008044 is 44080082.

It is not an unprimeable number, because it can be changed into a prime (28008047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205874 + ... + 206009.

It is an arithmetic number, because the mean of its divisors is an integer number (4324782).

Almost surely, 2^28008044 is an apocalyptic number.

It is an amenable number.

28008044 is a deficient number, since it is larger than the sum of its proper divisors (23889340).

28008044 is a wasteful number, since it uses less digits than its factorization.

28008044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411904 (or 411902 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 28008044 is about 5292.2626541017. The cubic root of 28008044 is about 303.6879733577.

The spelling of 28008044 in words is "twenty-eight million, eight thousand, forty-four".