11838442 has 16 divisors (see below), whose sum is σ = 22139712. Its totient is φ = 4612320.

The previous prime is 11838433. The next prime is 11838457. The reversal of 11838442 is 24483811.

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, 38283 + ... + 38590.

It is an arithmetic number, because the mean of its divisors is an integer number (1383732).

Almost surely, 2^11838442 is an apocalyptic number.

11838442 is a deficient number, since it is larger than the sum of its proper divisors (10301270).

11838442 is a wasteful number, since it uses less digits than its factorization.

11838442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76893.

The product of its digits is 6144, while the sum is 31.

The square root of 11838442 is about 3440.7037070925. The cubic root of 11838442 is about 227.9107709733.

The spelling of 11838442 in words is "eleven million, eight hundred thirty-eight thousand, four hundred forty-two".