198080858 has 8 divisors (see below), whose sum is σ = 297324000. Its totient is φ = 98972860.

The previous prime is 198080851. The next prime is 198080867. The reversal of 198080858 is 858080891.

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

It is not an unprimeable number, because it can be changed into a prime (198080851) 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 3 ways as a sum of consecutive naturals, for example, 30038 + ... + 36033.

It is an arithmetic number, because the mean of its divisors is an integer number (37165500).

Almost surely, 2^198080858 is an apocalyptic number.

198080858 is a deficient number, since it is larger than the sum of its proper divisors (99243142).

198080858 is a wasteful number, since it uses less digits than its factorization.

198080858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67572.

The product of its (nonzero) digits is 184320, while the sum is 47.

The square root of 198080858 is about 14074.1201501195. The cubic root of 198080858 is about 582.9269974210.

The spelling of 198080858 in words is "one hundred ninety-eight million, eighty thousand, eight hundred fifty-eight".