198905336 has 16 divisors (see below), whose sum is σ = 426225840. Its totient is φ = 85245120.

The previous prime is 198905327. The next prime is 198905339. The reversal of 198905336 is 633509891.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198905339) 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 3 ways as a sum of consecutive naturals, for example, 1775885 + ... + 1775996.

It is an arithmetic number, because the mean of its divisors is an integer number (26639115).

Almost surely, 2^198905336 is an apocalyptic number.

It is an amenable number.

198905336 is an abundant number, since it is smaller than the sum of its proper divisors (227320504).

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

198905336 is a wasteful number, since it uses less digits than its factorization.

198905336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551894 (or 3551890 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 198905336 is about 14103.3803040264. The cubic root of 198905336 is about 583.7346561513.

The spelling of 198905336 in words is "one hundred ninety-eight million, nine hundred five thousand, three hundred thirty-six".