28828684 has 6 divisors (see below), whose sum is σ = 50450204. Its totient is φ = 14414340.

The previous prime is 28828621. The next prime is 28828721. The reversal of 28828684 is 48682882.

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 as a sum of consecutive naturals, namely, 3603582 + ... + 3603589.

Almost surely, 2^28828684 is an apocalyptic number.

It is an amenable number.

28828684 is a deficient number, since it is larger than the sum of its proper divisors (21621520).

28828684 is a wasteful number, since it uses less digits than its factorization.

28828684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207175 (or 7207173 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 28828684 is about 5369.2349548143. The cubic root of 28828684 is about 306.6255022461.

The spelling of 28828684 in words is "twenty-eight million, eight hundred twenty-eight thousand, six hundred eighty-four".