198536982 has 32 divisors (see below), whose sum is σ = 480494592. Its totient is φ = 53387904.

The previous prime is 198536971. The next prime is 198536983. The reversal of 198536982 is 289635891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198536983) 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 15 ways as a sum of consecutive naturals, for example, 138318 + ... + 139745.

It is an arithmetic number, because the mean of its divisors is an integer number (15015456).

Almost surely, 2^198536982 is an apocalyptic number.

198536982 is an abundant number, since it is smaller than the sum of its proper divisors (281957610).

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

198536982 is a wasteful number, since it uses less digits than its factorization.

198536982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278092.

The product of its digits is 933120, while the sum is 51.

The square root of 198536982 is about 14090.3151845514. The cubic root of 198536982 is about 583.3740928980.

The spelling of 198536982 in words is "one hundred ninety-eight million, five hundred thirty-six thousand, nine hundred eighty-two".