11198844 has 48 divisors (see below), whose sum is σ = 29360800. Its totient is φ = 3691008.

The previous prime is 11198839. The next prime is 11198851. The reversal of 11198844 is 44889111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11198799 and 11198808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9942 + ... + 11010.

Almost surely, 2^11198844 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 11198844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14680400).

11198844 is an abundant number, since it is smaller than the sum of its proper divisors (18161956).

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

11198844 is a wasteful number, since it uses less digits than its factorization.

11198844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1171 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 11198844 is about 3346.4673911455. The cubic root of 11198844 is about 223.7300905061.

The spelling of 11198844 in words is "eleven million, one hundred ninety-eight thousand, eight hundred forty-four".