28379244 has 12 divisors (see below), whose sum is σ = 66218264. Its totient is φ = 9459744.

The previous prime is 28379233. The next prime is 28379251. The reversal of 28379244 is 44297382.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct 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, 1182457 + ... + 1182480.

Almost surely, 2^28379244 is an apocalyptic number.

It is an amenable number.

28379244 is an abundant number, since it is smaller than the sum of its proper divisors (37839020).

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

28379244 is a wasteful number, since it uses less digits than its factorization.

28379244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364944 (or 2364942 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 28379244 is about 5327.2172848496. The cubic root of 28379244 is about 305.0237157945.

The spelling of 28379244 in words is "twenty-eight million, three hundred seventy-nine thousand, two hundred forty-four".