198982146 has 16 divisors (see below), whose sum is σ = 434143008. Its totient is φ = 60297600.

The previous prime is 198982141. The next prime is 198982151. The reversal of 198982146 is 641289891.

It is an interprime number because it is at equal distance from previous prime (198982141) and next prime (198982151).

It is a junction number, because it is equal to n+sod(n) for n = 198982095 and 198982104.

It is not an unprimeable number, because it can be changed into a prime (198982141) 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 7 ways as a sum of consecutive naturals, for example, 1507375 + ... + 1507506.

It is an arithmetic number, because the mean of its divisors is an integer number (27133938).

Almost surely, 2^198982146 is an apocalyptic number.

198982146 is an abundant number, since it is smaller than the sum of its proper divisors (235160862).

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

198982146 is a wasteful number, since it uses less digits than its factorization.

198982146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014897.

The product of its digits is 248832, while the sum is 48.

The square root of 198982146 is about 14106.1031472196. The cubic root of 198982146 is about 583.8097855062.

The spelling of 198982146 in words is "one hundred ninety-eight million, nine hundred eighty-two thousand, one hundred forty-six".