189982 has 8 divisors (see below), whose sum is σ = 306936. Its totient is φ = 87672.

The previous prime is 189977. The next prime is 189983. The reversal of 189982 is 289981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3628 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (38367).

2¹⁸⁹⁹⁸² is an apocalyptic number.

189982 is a deficient number, since it is larger than the sum of its proper divisors (116954).

189982 is a wasteful number, since it uses less digits than its factorization.

189982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322.

The product of its digits is 10368, while the sum is 37.

The square root of 189982 is about 435.8692464490. The cubic root of 189982 is about 57.4871552909.

Subtracting 189982 from its reverse (289981), we obtain a palindrome (99999).

It can be divided in two parts, 18 and 9982, that added together give a 4-th power (10000 = 10⁴).

The spelling of 189982 in words is "one hundred eighty-nine thousand, nine hundred eighty-two".