198120374 has 8 divisors (see below), whose sum is σ = 297667200. Its totient is φ = 98897976.

The previous prime is 198120361. The next prime is 198120389. The reversal of 198120374 is 473021891.

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

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 79574 + ... + 82025.

It is an arithmetic number, because the mean of its divisors is an integer number (37208400).

Almost surely, 2^198120374 is an apocalyptic number.

198120374 is a deficient number, since it is larger than the sum of its proper divisors (99546826).

198120374 is a wasteful number, since it uses less digits than its factorization.

198120374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162214.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 198120374 is about 14075.5239334101. The cubic root of 198120374 is about 582.9657583793.

The spelling of 198120374 in words is "one hundred ninety-eight million, one hundred twenty thousand, three hundred seventy-four".