28268116 has 12 divisors (see below), whose sum is σ = 49932288. Its totient is φ = 14001752.

The previous prime is 28268113. The next prime is 28268117. The reversal of 28268116 is 61186282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28268113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32596 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (4161024).

Almost surely, 2^28268116 is an apocalyptic number.

It is an amenable number.

28268116 is a deficient number, since it is larger than the sum of its proper divisors (21664172).

28268116 is a wasteful number, since it uses less digits than its factorization.

28268116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66158 (or 66156 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 28268116 is about 5316.7768431635. The cubic root of 28268116 is about 304.6250556985.

The spelling of 28268116 in words is "twenty-eight million, two hundred sixty-eight thousand, one hundred sixteen".