28373984 has 24 divisors (see below), whose sum is σ = 55997928. Its totient is φ = 14152320.

The previous prime is 28373963. The next prime is 28373993. The reversal of 28373984 is 48937382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16694 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (2333247).

Almost surely, 2^28373984 is an apocalyptic number.

It is an amenable number.

28373984 is a deficient number, since it is larger than the sum of its proper divisors (27623944).

28373984 is a wasteful number, since it uses less digits than its factorization.

28373984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2170 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 28373984 is about 5326.7235708266. The cubic root of 28373984 is about 305.0048695809.

The spelling of 28373984 in words is "twenty-eight million, three hundred seventy-three thousand, nine hundred eighty-four".