28110 has 16 divisors (see below), whose sum is σ = 67536. Its totient is φ = 7488.

The previous prime is 28109. The next prime is 28111. The reversal of 28110 is 1182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28109) and next prime (28111).

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28110.

It is not an unprimeable number, because it can be changed into a prime (28111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439 + ... + 498.

It is an arithmetic number, because the mean of its divisors is an integer number (4221).

2²⁸¹¹⁰ is an apocalyptic number.

28110 is an abundant number, since it is smaller than the sum of its proper divisors (39426).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33768).

28110 is a wasteful number, since it uses less digits than its factorization.

28110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 28110 is about 167.6603709885. The cubic root of 28110 is about 30.4056026147.

Adding to 28110 its reverse (1182), we get a palindrome (29292).

The spelling of 28110 in words is "twenty-eight thousand, one hundred ten".