28116694 has 16 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 13282920.

The previous prime is 28116643. The next prime is 28116701. The reversal of 28116694 is 49661182.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18379 + ... + 19849.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^28116694 is an apocalyptic number.

28116694 is a deficient number, since it is larger than the sum of its proper divisors (16396586).

28116694 is a wasteful number, since it uses less digits than its factorization.

28116694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995.

The product of its digits is 20736, while the sum is 37.

The square root of 28116694 is about 5302.5177038837. The cubic root of 28116694 is about 304.0801597824.

The spelling of 28116694 in words is "twenty-eight million, one hundred sixteen thousand, six hundred ninety-four".