198082 has 4 divisors (see below), whose sum is σ = 297126. Its totient is φ = 99040.

The previous prime is 198073. The next prime is 198083. The reversal of 198082 is 280891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 185761 + 12321 = 431^2 + 111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198082.

It is not an unprimeable number, because it can be changed into a prime (198083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49519 + ... + 49522.

2¹⁹⁸⁰⁸² is an apocalyptic number.

198082 is a deficient number, since it is larger than the sum of its proper divisors (99044).

198082 is an equidigital number, since it uses as much as digits as its factorization.

198082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99043.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 198082 is about 445.0640403358. The cubic root of 198082 is about 58.2928117673.

The spelling of 198082 in words is "one hundred ninety-eight thousand, eighty-two".