11418198 has 32 divisors (see below), whose sum is σ = 25149312. Its totient is φ = 3427200.

The previous prime is 11418193. The next prime is 11418229. The reversal of 11418198 is 89181411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11418191) by changing a digit.

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, 6693 + ... + 8223.

It is an arithmetic number, because the mean of its divisors is an integer number (785916).

Almost surely, 2^11418198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11418198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12574656).

11418198 is an abundant number, since it is smaller than the sum of its proper divisors (13731114).

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

11418198 is a wasteful number, since it uses less digits than its factorization.

11418198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 2304, while the sum is 33.

The square root of 11418198 is about 3379.0824198294. The cubic root of 11418198 is about 225.1814043223.

It can be divided in two parts, 1141 and 8198, that added together give a palindrome (9339).

The spelling of 11418198 in words is "eleven million, four hundred eighteen thousand, one hundred ninety-eight".