11789998 has 32 divisors (see below), whose sum is σ = 20097792. Its totient is φ = 5183640.

The previous prime is 11789983. The next prime is 11790017. The reversal of 11789998 is 89998711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114415 + ... + 114517.

It is an arithmetic number, because the mean of its divisors is an integer number (628056).

Almost surely, 2^11789998 is an apocalyptic number.

11789998 is a deficient number, since it is larger than the sum of its proper divisors (8307794).

11789998 is a wasteful number, since it uses less digits than its factorization.

11789998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 159 counting only the distinct ones).

The product of its digits is 326592, while the sum is 52.

The square root of 11789998 is about 3433.6566514432. The cubic root of 11789998 is about 227.5994686397.

The spelling of 11789998 in words is "eleven million, seven hundred eighty-nine thousand, nine hundred ninety-eight".