198363 has 8 divisors (see below), whose sum is σ = 288576. Its totient is φ = 120200.

The previous prime is 198349. The next prime is 198377. The reversal of 198363 is 363891.

It is an interprime number because it is at equal distance from previous prime (198349) and next prime (198377).

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 198363 - 2⁴ = 198347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198363.

It is not an unprimeable number, because it can be changed into a prime (198313) 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, 2973 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (36072).

2¹⁹⁸³⁶³ is an apocalyptic number.

198363 is a deficient number, since it is larger than the sum of its proper divisors (90213).

198363 is a wasteful number, since it uses less digits than its factorization.

198363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025.

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

The square root of 198363 is about 445.3796133637. The cubic root of 198363 is about 58.3203635564.

It can be divided in two parts, 198 and 363, that added together give a triangular number (561 = T₃₃).

The spelling of 198363 in words is "one hundred ninety-eight thousand, three hundred sixty-three".