198265 has 8 divisors (see below), whose sum is σ = 250560. Its totient is φ = 150192.

The previous prime is 198259. The next prime is 198277. The reversal of 198265 is 562891.

198265 = T₁₁ + T₁₂ + ... + T₁₀₅.

198265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198265 - 2³ = 198257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2¹⁹⁸²⁶⁵ is an apocalyptic number.

It is an amenable number.

198265 is a deficient number, since it is larger than the sum of its proper divisors (52295).

198265 is a wasteful number, since it uses less digits than its factorization.

198265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 4320, while the sum is 31.

The square root of 198265 is about 445.2695812651. The cubic root of 198265 is about 58.3107577040.

The spelling of 198265 in words is "one hundred ninety-eight thousand, two hundred sixty-five".