28606684 has 12 divisors (see below), whose sum is σ = 51283008. Its totient is φ = 13954400.

The previous prime is 28606679. The next prime is 28606693. The reversal of 28606684 is 48660682.

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, 87052 + ... + 87379.

It is an arithmetic number, because the mean of its divisors is an integer number (4273584).

Almost surely, 2^28606684 is an apocalyptic number.

It is an amenable number.

28606684 is a deficient number, since it is larger than the sum of its proper divisors (22676324).

28606684 is a wasteful number, since it uses less digits than its factorization.

28606684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174476 (or 174474 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 28606684 is about 5348.5216649089. The cubic root of 28606684 is about 305.8363999392.

The spelling of 28606684 in words is "twenty-eight million, six hundred six thousand, six hundred eighty-four".