183942 has 24 divisors (see below), whose sum is σ = 435240. Its totient is φ = 55680.

The previous prime is 183919. The next prime is 183943. The reversal of 183942 is 249381.

183942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 183942.

It is not an unprimeable number, because it can be changed into a prime (183943) by changing a digit.

183942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (18135).

2¹⁸³⁹⁴² is an apocalyptic number.

183942 is an abundant number, since it is smaller than the sum of its proper divisors (251298).

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

183942 is a wasteful number, since it uses less digits than its factorization.

183942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 945 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 183942 is about 428.8845998634. The cubic root of 183942 is about 56.8713627268.

It can be divided in two parts, 1839 and 42, that added together give a palindrome (1881).

The spelling of 183942 in words is "one hundred eighty-three thousand, nine hundred forty-two".