28347116 has 12 divisors (see below), whose sum is σ = 56694288. Its totient is φ = 12148752.

The previous prime is 28347083. The next prime is 28347119. The reversal of 28347116 is 61174382.

28347116 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28347119) 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, 506171 + ... + 506226.

It is an arithmetic number, because the mean of its divisors is an integer number (4724524).

Almost surely, 2^28347116 is an apocalyptic number.

It is an amenable number.

28347116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28347116 is a wasteful number, since it uses less digits than its factorization.

28347116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012408 (or 1012406 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 28347116 is about 5324.2009729160. The cubic root of 28347116 is about 304.9085670568.

The spelling of 28347116 in words is "twenty-eight million, three hundred forty-seven thousand, one hundred sixteen".