189342 has 24 divisors (see below), whose sum is σ = 419016. Its totient is φ = 61776.

The previous prime is 189337. The next prime is 189347. The reversal of 189342 is 243981.

It is an interprime number because it is at equal distance from previous prime (189337) and next prime (189347).

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 189342.

It is not an unprimeable number, because it can be changed into a prime (189347) by changing a digit.

189342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (17459).

2¹⁸⁹³⁴² is an apocalyptic number.

189342 is an abundant number, since it is smaller than the sum of its proper divisors (229674).

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

189342 is a wasteful number, since it uses less digits than its factorization.

189342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 229 counting only the distinct ones).

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

The square root of 189342 is about 435.1344619770. The cubic root of 189342 is about 57.4225295705.

The spelling of 189342 in words is "one hundred eighty-nine thousand, three hundred forty-two".