11803998 has 16 divisors (see below), whose sum is σ = 23669136. Its totient is φ = 3924480.

The previous prime is 11803969. The next prime is 11804021. The reversal of 11803998 is 89930811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190 + ... + 4862.

It is an arithmetic number, because the mean of its divisors is an integer number (1479321).

Almost surely, 2^11803998 is an apocalyptic number.

11803998 is an abundant number, since it is smaller than the sum of its proper divisors (11865138).

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

11803998 is a wasteful number, since it uses less digits than its factorization.

11803998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 11803998 is about 3435.6946895788. The cubic root of 11803998 is about 227.6895204551.

The spelling of 11803998 in words is "eleven million, eight hundred three thousand, nine hundred ninety-eight".