11198388 has 12 divisors (see below), whose sum is σ = 26129600. Its totient is φ = 3732792.

The previous prime is 11198381. The next prime is 11198389. The reversal of 11198388 is 88389111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466588 + ... + 466611.

Almost surely, 2^11198388 is an apocalyptic number.

It is an amenable number.

11198388 is an abundant number, since it is smaller than the sum of its proper divisors (14931212).

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

11198388 is a wasteful number, since it uses less digits than its factorization.

11198388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933206 (or 933204 counting only the distinct ones).

The product of its digits is 13824, while the sum is 39.

The square root of 11198388 is about 3346.3992589050. The cubic root of 11198388 is about 223.7270538145.

The spelling of 11198388 in words is "eleven million, one hundred ninety-eight thousand, three hundred eighty-eight".