198196548 has 48 divisors (see below), whose sum is σ = 508710720. Its totient is φ = 60054720.

The previous prime is 198196541. The next prime is 198196549. The reversal of 198196548 is 845691891.

It is a self number, because there is not a number n which added to its sum of digits gives 198196548.

It is not an unprimeable number, because it can be changed into a prime (198196541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9768 + ... + 22176.

It is an arithmetic number, because the mean of its divisors is an integer number (10598140).

Almost surely, 2^198196548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198196548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254355360).

198196548 is an abundant number, since it is smaller than the sum of its proper divisors (310514172).

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

198196548 is a wasteful number, since it uses less digits than its factorization.

198196548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12425 counting only the distinct ones).

The product of its digits is 622080, while the sum is 51.

The square root of 198196548 is about 14078.2295761932. The cubic root of 198196548 is about 583.0404623632.

The spelling of 198196548 in words is "one hundred ninety-eight million, one hundred ninety-six thousand, five hundred forty-eight".