11938198 has 16 divisors (see below), whose sum is σ = 19028880. Its totient is φ = 5606496.

The previous prime is 11938183. The next prime is 11938207. The reversal of 11938198 is 89183911.

It is a happy number.

11938198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11938198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (1189305).

Almost surely, 2^11938198 is an apocalyptic number.

11938198 is a deficient number, since it is larger than the sum of its proper divisors (7090682).

11938198 is a wasteful number, since it uses less digits than its factorization.

11938198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631.

The product of its digits is 15552, while the sum is 40.

The square root of 11938198 is about 3455.1697498097. The cubic root of 11938198 is about 228.5491405723.

The spelling of 11938198 in words is "eleven million, nine hundred thirty-eight thousand, one hundred ninety-eight".