28116492 has 24 divisors (see below), whose sum is σ = 65700096. Its totient is φ = 9358608.

The previous prime is 28116467. The next prime is 28116527. The reversal of 28116492 is 29461182.

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, 10393 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (2737504).

Almost surely, 2^28116492 is an apocalyptic number.

It is an amenable number.

28116492 is an abundant number, since it is smaller than the sum of its proper divisors (37583604).

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

28116492 is a wasteful number, since it uses less digits than its factorization.

28116492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397 (or 3395 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 28116492 is about 5302.4986562940. The cubic root of 28116492 is about 304.0794315752.

The spelling of 28116492 in words is "twenty-eight million, one hundred sixteen thousand, four hundred ninety-two".