210198 has 16 divisors (see below), whose sum is σ = 428976. Its totient is φ = 68640.

The previous prime is 210193. The next prime is 210209. The reversal of 210198 is 891012.

210198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (26811).

2²¹⁰¹⁹⁸ is an apocalyptic number.

210198 is an abundant number, since it is smaller than the sum of its proper divisors (218778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210198 is a wasteful number, since it uses less digits than its factorization.

210198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 210198 is about 458.4735543082. The cubic root of 210198 is about 59.4578945571.

The spelling of 210198 in words is "two hundred ten thousand, one hundred ninety-eight".