198094866 has 16 divisors (see below), whose sum is σ = 396433344. Its totient is φ = 65991024.

The previous prime is 198094859. The next prime is 198094879. The reversal of 198094866 is 668490891.

It is a happy number.

198094866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (24777084).

Almost surely, 2^198094866 is an apocalyptic number.

198094866 is an abundant number, since it is smaller than the sum of its proper divisors (198338478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198094866 is a wasteful number, since it uses less digits than its factorization.

198094866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20305.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 198094866 is about 14074.6177923239. The cubic root of 198094866 is about 582.9407383566.

The spelling of 198094866 in words is "one hundred ninety-eight million, ninety-four thousand, eight hundred sixty-six".