198739396 has 12 divisors (see below), whose sum is σ = 347917248. Its totient is φ = 99334472.

The previous prime is 198739381. The next prime is 198739397. The reversal of 198739396 is 693937891.

It is not an unprimeable number, because it can be changed into a prime (198739397) 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 3 ways as a sum of consecutive naturals, for example, 7065 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (28993104).

Almost surely, 2^198739396 is an apocalyptic number.

It is an amenable number.

198739396 is a deficient number, since it is larger than the sum of its proper divisors (149177852).

198739396 is a wasteful number, since it uses less digits than its factorization.

198739396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618 (or 17616 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 55.

The square root of 198739396 is about 14097.4960897317. The cubic root of 198739396 is about 583.5722809559.

The spelling of 198739396 in words is "one hundred ninety-eight million, seven hundred thirty-nine thousand, three hundred ninety-six".