28268016 has 40 divisors (see below), whose sum is σ = 83458944. Its totient is φ = 8076480.

The previous prime is 28268003. The next prime is 28268033. The reversal of 28268016 is 61086282.

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, 41730 + ... + 42401.

Almost surely, 2^28268016 is an apocalyptic number.

It is an amenable number.

28268016 is an abundant number, since it is smaller than the sum of its proper divisors (55190928).

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

28268016 is a wasteful number, since it uses less digits than its factorization.

28268016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84149 (or 84143 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28268016 is about 5316.7674389614. The cubic root of 28268016 is about 304.6246964888.

The spelling of 28268016 in words is "twenty-eight million, two hundred sixty-eight thousand, sixteen".