198000834 has 8 divisors (see below), whose sum is σ = 396001680. Its totient is φ = 66000276.

The previous prime is 198000833. The next prime is 198000841. The reversal of 198000834 is 438000891.

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

198000834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 198000795 and 198000804.

It is not an unprimeable number, because it can be changed into a prime (198000833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16500064 + ... + 16500075.

It is an arithmetic number, because the mean of its divisors is an integer number (49500210).

Almost surely, 2^198000834 is an apocalyptic number.

198000834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198000834 is a wasteful number, since it uses less digits than its factorization.

198000834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000144.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 198000834 is about 14071.2769143387. The cubic root of 198000834 is about 582.8484866657.

The spelling of 198000834 in words is "one hundred ninety-eight million, eight hundred thirty-four", and thus it is an aban number.