198448 has 20 divisors (see below), whose sum is σ = 391840. Its totient is φ = 97344.

The previous prime is 198439. The next prime is 198461. The reversal of 198448 is 844891.

198448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is an unprimeable number.

198448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (19592).

2¹⁹⁸⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

198448 is a deficient number, since it is larger than the sum of its proper divisors (193392).

198448 is a wasteful number, since it uses less digits than its factorization.

198448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 198448 is about 445.4750273584. The cubic root of 198448 is about 58.3286926013.

It can be divided in two parts, 198 and 448, that added together give a palindrome (646).

The spelling of 198448 in words is "one hundred ninety-eight thousand, four hundred forty-eight".