28794372 has 12 divisors (see below), whose sum is σ = 67186896. Its totient is φ = 9598120.

The previous prime is 28794349. The next prime is 28794383. The reversal of 28794372 is 27349782.

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

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, 1199754 + ... + 1199777.

It is an arithmetic number, because the mean of its divisors is an integer number (5598908).

Almost surely, 2^28794372 is an apocalyptic number.

It is an amenable number.

28794372 is an abundant number, since it is smaller than the sum of its proper divisors (38392524).

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

28794372 is a wasteful number, since it uses less digits than its factorization.

28794372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399538 (or 2399536 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 28794372 is about 5366.0387624392. The cubic root of 28794372 is about 306.5038050387.

The spelling of 28794372 in words is "twenty-eight million, seven hundred ninety-four thousand, three hundred seventy-two".