11863842 has 32 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 3722880.

The previous prime is 11863811. The next prime is 11863843. The reversal of 11863842 is 24836811.

It is not an unprimeable number, because it can be changed into a prime (11863843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^11863842 is an apocalyptic number.

11863842 is an abundant number, since it is smaller than the sum of its proper divisors (13295838).

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

11863842 is a wasteful number, since it uses less digits than its factorization.

11863842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its digits is 9216, while the sum is 33.

The square root of 11863842 is about 3444.3928347388. The cubic root of 11863842 is about 228.0736527206.

The spelling of 11863842 in words is "eleven million, eight hundred sixty-three thousand, eight hundred forty-two".