198633 has 8 divisors (see below), whose sum is σ = 268768. Its totient is φ = 130464.

The previous prime is 198623. The next prime is 198637. The reversal of 198633 is 336891.

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

It is not a de Polignac number, because 198633 - 2⁸ = 198377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198633.

It is not an unprimeable number, because it can be changed into a prime (198637) 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, 235 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (33596).

2¹⁹⁸⁶³³ is an apocalyptic number.

It is an amenable number.

198633 is a deficient number, since it is larger than the sum of its proper divisors (70135).

198633 is an equidigital number, since it uses as much as digits as its factorization.

198633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 3888, while the sum is 30.

The square root of 198633 is about 445.6826225017. The cubic root of 198633 is about 58.3468123047.

The spelling of 198633 in words is "one hundred ninety-eight thousand, six hundred thirty-three".