28685174 has 16 divisors (see below), whose sum is σ = 51763200. Its totient is φ = 11646504.

The previous prime is 28685149. The next prime is 28685183. The reversal of 28685174 is 47158682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53654 + ... + 54185.

It is an arithmetic number, because the mean of its divisors is an integer number (3235200).

Almost surely, 2^28685174 is an apocalyptic number.

28685174 is a deficient number, since it is larger than the sum of its proper divisors (23078026).

28685174 is a wasteful number, since it uses less digits than its factorization.

28685174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107867.

The product of its digits is 107520, while the sum is 41.

The square root of 28685174 is about 5355.8541802405. The cubic root of 28685174 is about 306.1158588430.

The spelling of 28685174 in words is "twenty-eight million, six hundred eighty-five thousand, one hundred seventy-four".