198448259 has 8 divisors (see below), whose sum is σ = 210733488. Its totient is φ = 186231040.

The previous prime is 198448249. The next prime is 198448321. The reversal of 198448259 is 952844891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198448259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198448249) 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, 10922 + ... + 22719.

It is an arithmetic number, because the mean of its divisors is an integer number (26341686).

Almost surely, 2^198448259 is an apocalyptic number.

198448259 is a deficient number, since it is larger than the sum of its proper divisors (12285229).

198448259 is a wasteful number, since it uses less digits than its factorization.

198448259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005.

The product of its digits is 829440, while the sum is 50.

The square root of 198448259 is about 14087.1664645521. The cubic root of 198448259 is about 583.2871797679.

The spelling of 198448259 in words is "one hundred ninety-eight million, four hundred forty-eight thousand, two hundred fifty-nine".