28379104 has 24 divisors (see below), whose sum is σ = 60170040. Its totient is φ = 13097856.

The previous prime is 28379089. The next prime is 28379161. The reversal of 28379104 is 40197382.

It is a self number, because there is not a number n which added to its sum of digits gives 28379104.

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, 33694 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (2507085).

Almost surely, 2^28379104 is an apocalyptic number.

It is an amenable number.

28379104 is an abundant number, since it is smaller than the sum of its proper divisors (31790936).

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

28379104 is a wasteful number, since it uses less digits than its factorization.

28379104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68242 (or 68234 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28379104 is about 5327.2041447649. The cubic root of 28379104 is about 305.0232142144.

The spelling of 28379104 in words is "twenty-eight million, three hundred seventy-nine thousand, one hundred four".