198916 has 9 divisors (see below), whose sum is σ = 349671. Its totient is φ = 99012.

The previous prime is 198901. The next prime is 198929. The reversal of 198916 is 619891.

198916 = T₄₄₅ + T₄₄₆.

The square root of 198916 is 446.

It is a perfect power (a square), and thus also a powerful number.

198916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 781 + ... + 1003.

2¹⁹⁸⁹¹⁶ is an apocalyptic number.

198916 is the 446-th square number.

It is an amenable number.

198916 is a deficient number, since it is larger than the sum of its proper divisors (150755).

198916 is an equidigital number, since it uses as much as digits as its factorization.

198916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 225 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The cubic root of 198916 is about 58.3745087973.

The spelling of 198916 in words is "one hundred ninety-eight thousand, nine hundred sixteen".