1108828 has 18 divisors (see below), whose sum is σ = 2228856. Its totient is φ = 472824.

The previous prime is 1108823. The next prime is 1108867. The reversal of 1108828 is 8288011.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1108796 and 1108805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5473 + ... + 5671.

2^1108828 is an apocalyptic number.

It is an amenable number.

1108828 is an abundant number, since it is smaller than the sum of its proper divisors (1120028).

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

1108828 is an equidigital number, since it uses as much as digits as its factorization.

1108828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1108828 is about 1053.0090218037. The cubic root of 1108828 is about 103.5034266487.

Multiplying 1108828 by its sum of digits (28), we get a square (31047184 = 5572²).

1108828 divided by its sum of digits (28) gives a square (39601 = 199²).

It can be divided in two parts, 1108 and 828, that added together give a square (1936 = 44²).

The spelling of 1108828 in words is "one million, one hundred eight thousand, eight hundred twenty-eight".