198182 has 8 divisors (see below), whose sum is σ = 299376. Its totient is φ = 98392.

The previous prime is 198179. The next prime is 198193. The reversal of 198182 is 281891.

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

It is a super-2 number, since 2×198182² = 78552210248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 645.

It is an arithmetic number, because the mean of its divisors is an integer number (37422).

2¹⁹⁸¹⁸² is an apocalyptic number.

198182 is a deficient number, since it is larger than the sum of its proper divisors (101194).

198182 is a wasteful number, since it uses less digits than its factorization.

198182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 1152, while the sum is 29.

The square root of 198182 is about 445.1763695436. The cubic root of 198182 is about 58.3026196591.

The spelling of 198182 in words is "one hundred ninety-eight thousand, one hundred eighty-two".