208198 has 8 divisors (see below), whose sum is σ = 320040. Its totient is φ = 101520.

The previous prime is 208189. The next prime is 208207. The reversal of 208198 is 891802.

208198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208189) and next prime (208207).

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

It is a congruent number.

It is an unprimeable number.

208198 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 3 ways as a sum of consecutive naturals, for example, 1188 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (40005).

2²⁰⁸¹⁹⁸ is an apocalyptic number.

208198 is a deficient number, since it is larger than the sum of its proper divisors (111842).

208198 is a wasteful number, since it uses less digits than its factorization.

208198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582.

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

The square root of 208198 is about 456.2871902651. The cubic root of 208198 is about 59.2687158616.

Subtracting from 208198 its product of nonzero digits (1152), we obtain a triangular number (207046 = T₆₄₃).

It can be divided in two parts, 208 and 198, that added together give a triangular number (406 = T₂₈).

The spelling of 208198 in words is "two hundred eight thousand, one hundred ninety-eight".