198385082 has 16 divisors (see below), whose sum is σ = 340549440. Its totient is φ = 84907008.

The previous prime is 198385069. The next prime is 198385093. The reversal of 198385082 is 280583891.

It is a super-3 number, since 3×198385082³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1553 + ... + 19979.

It is an arithmetic number, because the mean of its divisors is an integer number (21284340).

Almost surely, 2^198385082 is an apocalyptic number.

198385082 is a deficient number, since it is larger than the sum of its proper divisors (142164358).

198385082 is a wasteful number, since it uses less digits than its factorization.

198385082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19205.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 198385082 is about 14084.9239259571. The cubic root of 198385082 is about 583.2252757305.

The spelling of 198385082 in words is "one hundred ninety-eight million, three hundred eighty-five thousand, eighty-two".