11943938 has 8 divisors (see below), whose sum is σ = 18332688. Its totient is φ = 5833044.

The previous prime is 11943929. The next prime is 11943941. The reversal of 11943938 is 83934911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69356 + ... + 69527.

It is an arithmetic number, because the mean of its divisors is an integer number (2291586).

Almost surely, 2^11943938 is an apocalyptic number.

11943938 is a deficient number, since it is larger than the sum of its proper divisors (6388750).

11943938 is a wasteful number, since it uses less digits than its factorization.

11943938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138928.

The product of its digits is 23328, while the sum is 38.

The square root of 11943938 is about 3456.0002893518. Note that the first 3 decimals coincide. The cubic root of 11943938 is about 228.5857642422.

The spelling of 11943938 in words is "eleven million, nine hundred forty-three thousand, nine hundred thirty-eight".