206198 has 4 divisors (see below), whose sum is σ = 309300. Its totient is φ = 103098.

The previous prime is 206197. The next prime is 206203. The reversal of 206198 is 891602.

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

It is a Curzon number.

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 206198.

It is not an unprimeable number, because it can be changed into a prime (206191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51548 + ... + 51551.

It is an arithmetic number, because the mean of its divisors is an integer number (77325).

2²⁰⁶¹⁹⁸ is an apocalyptic number.

206198 is a deficient number, since it is larger than the sum of its proper divisors (103102).

206198 is a wasteful number, since it uses less digits than its factorization.

206198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103101.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 206198 is about 454.0902993899. The cubic root of 206198 is about 59.0783217227.

It can be divided in two parts, 206 and 198, that added together give a palindrome (404).

The spelling of 206198 in words is "two hundred six thousand, one hundred ninety-eight".