198074318 has 8 divisors (see below), whose sum is σ = 319966248. Its totient is φ = 91418904.

The previous prime is 198074299. The next prime is 198074341. The reversal of 198074318 is 813470891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809096 + ... + 3809147.

It is an arithmetic number, because the mean of its divisors is an integer number (39995781).

Almost surely, 2^198074318 is an apocalyptic number.

198074318 is a deficient number, since it is larger than the sum of its proper divisors (121891930).

198074318 is a wasteful number, since it uses less digits than its factorization.

198074318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618258.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 198074318 is about 14073.8878068571. The cubic root of 198074318 is about 582.9205818852.

The spelling of 198074318 in words is "one hundred ninety-eight million, seventy-four thousand, three hundred eighteen".