198000235 has 16 divisors (see below), whose sum is σ = 253128960. Its totient is φ = 148249440.

The previous prime is 198000233. The next prime is 198000259. The reversal of 198000235 is 532000891.

It is not a de Polignac number, because 198000235 - 2¹ = 198000233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198000233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (15820560).

Almost surely, 2^198000235 is an apocalyptic number.

198000235 is a deficient number, since it is larger than the sum of its proper divisors (55128725).

198000235 is a wasteful number, since it uses less digits than its factorization.

198000235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25218.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 198000235 is about 14071.2556298292. The cubic root of 198000235 is about 582.8478989129.

The spelling of 198000235 in words is "one hundred ninety-eight million, two hundred thirty-five", and thus it is an aban number.