11943998 has 32 divisors (see below), whose sum is σ = 20532960. Its totient is φ = 5160960.

The previous prime is 11943991. The next prime is 11944001. The reversal of 11943998 is 89934911.

It is a Smith number, since the sum of its digits (44) 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 (11943991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61790 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (641655).

Almost surely, 2^11943998 is an apocalyptic number.

11943998 is a deficient number, since it is larger than the sum of its proper divisors (8588962).

11943998 is a wasteful number, since it uses less digits than its factorization.

11943998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 69984, while the sum is 44.

The square root of 11943998 is about 3456.0089698958. The cubic root of 11943998 is about 228.5861470061.

The spelling of 11943998 in words is "eleven million, nine hundred forty-three thousand, nine hundred ninety-eight".