198453 has 8 divisors (see below), whose sum is σ = 268128. Its totient is φ = 130544.

The previous prime is 198439. The next prime is 198461. The reversal of 198453 is 354891.

198453 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 198453 - 2⁴ = 198437 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 198453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198413) 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, 150 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2¹⁹⁸⁴⁵³ is an apocalyptic number.

It is an amenable number.

198453 is a deficient number, since it is larger than the sum of its proper divisors (69675).

198453 is an equidigital number, since it uses as much as digits as its factorization.

198453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 4320, while the sum is 30.

The square root of 198453 is about 445.4806393099. The cubic root of 198453 is about 58.3291824711.

The spelling of 198453 in words is "one hundred ninety-eight thousand, four hundred fifty-three".