108828 has 18 divisors (see below), whose sum is σ = 275184. Its totient is φ = 36264.

The previous prime is 108827. The next prime is 108863. The reversal of 108828 is 828801.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1476 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2¹⁰⁸⁸²⁸ is an apocalyptic number.

108828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108828 is an abundant number, since it is smaller than the sum of its proper divisors (166356).

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

108828 is a wasteful number, since it uses less digits than its factorization.

108828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 108828 is about 329.8908910534. The cubic root of 108828 is about 47.7434226113.

Subtracting from 108828 its sum of digits (27), we obtain a palindrome (108801).

The spelling of 108828 in words is "one hundred eight thousand, eight hundred twenty-eight".