18841942 has 16 divisors (see below), whose sum is σ = 32497920. Its totient is φ = 8025768.

The previous prime is 18841937. The next prime is 18841961. The reversal of 18841942 is 24914881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^18841942 is an apocalyptic number.

18841942 is a deficient number, since it is larger than the sum of its proper divisors (13655978).

18841942 is a wasteful number, since it uses less digits than its factorization.

18841942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235.

The product of its digits is 18432, while the sum is 37.

The square root of 18841942 is about 4340.7305836691. The cubic root of 18841942 is about 266.0981698065.

The spelling of 18841942 in words is "eighteen million, eight hundred forty-one thousand, nine hundred forty-two".