111844836 has 72 divisors (see below), whose sum is σ = 301916160. Its totient is φ = 34788096.

The previous prime is 111844829. The next prime is 111844841. The reversal of 111844836 is 638448111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 111844836.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77005 + ... + 78443.

It is an arithmetic number, because the mean of its divisors is an integer number (4193280).

Almost surely, 2^111844836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111844836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150958080).

111844836 is an abundant number, since it is smaller than the sum of its proper divisors (190071324).

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

111844836 is a wasteful number, since it uses less digits than its factorization.

111844836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1588 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 111844836 is about 10575.6718935489. The cubic root of 111844836 is about 481.8057503681.

It can be divided in two parts, 1118 and 44836, that added together give a palindrome (45954).

The spelling of 111844836 in words is "one hundred eleven million, eight hundred forty-four thousand, eight hundred thirty-six".