198860199 has 8 divisors (see below), whose sum is σ = 265359360. Its totient is φ = 132467256.

The previous prime is 198860197. The next prime is 198860219. The reversal of 198860199 is 991068891.

It is a happy number.

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

It is not a de Polignac number, because 198860199 - 2¹ = 198860197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198860191) 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, 22077 + ... + 29750.

It is an arithmetic number, because the mean of its divisors is an integer number (33169920).

Almost surely, 2^198860199 is an apocalyptic number.

198860199 is a deficient number, since it is larger than the sum of its proper divisors (66499161).

198860199 is a wasteful number, since it uses less digits than its factorization.

198860199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53109.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 198860199 is about 14101.7799940291. The cubic root of 198860199 is about 583.6904977508.

The spelling of 198860199 in words is "one hundred ninety-eight million, eight hundred sixty thousand, one hundred ninety-nine".