198341855 has 8 divisors (see below), whose sum is σ = 250537200. Its totient is φ = 150322176.

The previous prime is 198341851. The next prime is 198341861. The reversal of 198341855 is 558143891.

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

It is a cyclic number.

It is not a de Polignac number, because 198341855 - 2² = 198341851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198341851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043810 + ... + 1043999.

It is an arithmetic number, because the mean of its divisors is an integer number (31317150).

Almost surely, 2^198341855 is an apocalyptic number.

198341855 is a deficient number, since it is larger than the sum of its proper divisors (52195345).

198341855 is a wasteful number, since it uses less digits than its factorization.

198341855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087833.

The product of its digits is 172800, while the sum is 44.

The square root of 198341855 is about 14083.3893292772. The cubic root of 198341855 is about 583.1829121447.

The spelling of 198341855 in words is "one hundred ninety-eight million, three hundred forty-one thousand, eight hundred fifty-five".