11838942 has 12 divisors (see below), whose sum is σ = 25651080. Its totient is φ = 3946308.

The previous prime is 11838929. The next prime is 11838943. The reversal of 11838942 is 24983811.

It is a junction number, because it is equal to n+sod(n) for n = 11838897 and 11838906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328842 + ... + 328877.

It is an arithmetic number, because the mean of its divisors is an integer number (2137590).

Almost surely, 2^11838942 is an apocalyptic number.

11838942 is an abundant number, since it is smaller than the sum of its proper divisors (13812138).

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

11838942 is a wasteful number, since it uses less digits than its factorization.

11838942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657727 (or 657724 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11838942 is about 3440.7763658802. The cubic root of 11838942 is about 227.9139795538.

It can be divided in two parts, 118 and 38942, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 11838942 in words is "eleven million, eight hundred thirty-eight thousand, nine hundred forty-two".