198263 has 8 divisors (see below), whose sum is σ = 217056. Its totient is φ = 180000.

The previous prime is 198259. The next prime is 198277. The reversal of 198263 is 362891.

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 198263 - 2² = 198259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (27132).

2¹⁹⁸²⁶³ is an apocalyptic number.

198263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

198263 is a deficient number, since it is larger than the sum of its proper divisors (18793).

198263 is a wasteful number, since it uses less digits than its factorization.

198263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 2592, while the sum is 29.

The square root of 198263 is about 445.2673354290. The cubic root of 198263 is about 58.3105616333.

The spelling of 198263 in words is "one hundred ninety-eight thousand, two hundred sixty-three".