28110116 has 18 divisors (see below), whose sum is σ = 49923090. Its totient is φ = 13847680.

The previous prime is 28110113. The next prime is 28110151. The reversal of 28110116 is 61101182.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 23716900 = 2096^2 + 4870^2 .

It is not an unprimeable number, because it can be changed into a prime (28110113) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 99896 + ... + 100176.

It is an arithmetic number, because the mean of its divisors is an integer number (2773505).

Almost surely, 2^28110116 is an apocalyptic number.

It is an amenable number.

28110116 is a deficient number, since it is larger than the sum of its proper divisors (21812974).

28110116 is an equidigital number, since it uses as much as digits as its factorization.

28110116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 28110116 is about 5301.8973962158. The cubic root of 28110116 is about 304.0564443899.

Adding to 28110116 its reverse (61101182), we get a palindrome (89211298).

It can be divided in two parts, 281 and 10116, that multiplied together give a square (2842596 = 1686²).

The spelling of 28110116 in words is "twenty-eight million, one hundred ten thousand, one hundred sixteen".