28116654 has 16 divisors (see below), whose sum is σ = 56352000. Its totient is φ = 9352440.

The previous prime is 28116643. The next prime is 28116701. The reversal of 28116654 is 45661182.

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, 1702 + ... + 7689.

It is an arithmetic number, because the mean of its divisors is an integer number (3522000).

Almost surely, 2^28116654 is an apocalyptic number.

28116654 is an abundant number, since it is smaller than the sum of its proper divisors (28235346).

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

28116654 is a wasteful number, since it uses less digits than its factorization.

28116654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895.

The product of its digits is 11520, while the sum is 33.

The square root of 28116654 is about 5302.5139320892. The cubic root of 28116654 is about 304.0800155832.

The spelling of 28116654 in words is "twenty-eight million, one hundred sixteen thousand, six hundred fifty-four".