11190998 has 32 divisors (see below), whose sum is σ = 21881664. Its totient is φ = 4165632.

The previous prime is 11190997. The next prime is 11191009. The reversal of 11190998 is 89909111.

It is a happy number.

11190998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11190997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (683802).

Almost surely, 2^11190998 is an apocalyptic number.

11190998 is a deficient number, since it is larger than the sum of its proper divisors (10690666).

11190998 is a wasteful number, since it uses less digits than its factorization.

11190998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 11190998 is about 3345.2949047879. The cubic root of 11190998 is about 223.6778292669.

The spelling of 11190998 in words is "eleven million, one hundred ninety thousand, nine hundred ninety-eight".