198376998 has 32 divisors (see below), whose sum is σ = 416517120. Its totient is φ = 62904480.

The previous prime is 198376987. The next prime is 198376999. The reversal of 198376998 is 899673891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198376999) 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, 1936 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (13016160).

Almost surely, 2^198376998 is an apocalyptic number.

198376998 is an abundant number, since it is smaller than the sum of its proper divisors (218140122).

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

198376998 is a wasteful number, since it uses less digits than its factorization.

198376998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172.

The product of its digits is 5878656, while the sum is 60.

The square root of 198376998 is about 14084.6369495277. The cubic root of 198376998 is about 583.2173536678.

The spelling of 198376998 in words is "one hundred ninety-eight million, three hundred seventy-six thousand, nine hundred ninety-eight".