198219 has 8 divisors (see below), whose sum is σ = 302080. Its totient is φ = 113256.

The previous prime is 198197. The next prime is 198221. The reversal of 198219 is 912891.

198219 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 198219 - 2⁷ = 198091 is a prime.

It is a super-2 number, since 2×198219² = 78581543922, which contains 22 as substring.

It is a Duffinian number.

198219 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (198259) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699 + ... + 4740.

It is an arithmetic number, because the mean of its divisors is an integer number (37760).

2¹⁹⁸²¹⁹ is an apocalyptic number.

198219 is a deficient number, since it is larger than the sum of its proper divisors (103861).

198219 is an equidigital number, since it uses as much as digits as its factorization.

198219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449.

The product of its digits is 1296, while the sum is 30.

The square root of 198219 is about 445.2179241675. The cubic root of 198219 is about 58.3062477429.

The spelling of 198219 in words is "one hundred ninety-eight thousand, two hundred nineteen".