198915482 has 12 divisors (see below), whose sum is σ = 301075710. Its totient is φ = 98564928.

The previous prime is 198915481. The next prime is 198915581. The reversal of 198915482 is 284519891.

It can be written as a sum of positive squares in 3 ways, for example, as 58232161 + 140683321 = 7631^2 + 11861^2 .

It is not an unprimeable number, because it can be changed into a prime (198915481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21644 + ... + 29432.

Almost surely, 2^198915482 is an apocalyptic number.

198915482 is a deficient number, since it is larger than the sum of its proper divisors (102160228).

198915482 is an equidigital number, since it uses as much as digits as its factorization.

198915482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017 (or 7904 counting only the distinct ones).

The product of its digits is 207360, while the sum is 47.

The square root of 198915482 is about 14103.7400004396. The cubic root of 198915482 is about 583.7445812598.

It can be divided in two parts, 1989 and 15482, that added together give a palindrome (17471).

The spelling of 198915482 in words is "one hundred ninety-eight million, nine hundred fifteen thousand, four hundred eighty-two".