11198938 has 8 divisors (see below), whose sum is σ = 17252532. Its totient is φ = 5448096.

The previous prime is 11198933. The next prime is 11198939. The reversal of 11198938 is 83989111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 3674889 = 2743^2 + 1917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11198938.

It is not an unprimeable number, because it can be changed into a prime (11198933) 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 3 ways as a sum of consecutive naturals, for example, 75595 + ... + 75742.

Almost surely, 2^11198938 is an apocalyptic number.

11198938 is a deficient number, since it is larger than the sum of its proper divisors (6053594).

11198938 is a wasteful number, since it uses less digits than its factorization.

11198938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151376.

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

The square root of 11198938 is about 3346.4814357770. The cubic root of 11198938 is about 223.7307164805.

The spelling of 11198938 in words is "eleven million, one hundred ninety-eight thousand, nine hundred thirty-eight".