198273 has 16 divisors (see below), whose sum is σ = 285120. Its totient is φ = 122304.

The previous prime is 198259. The next prime is 198277. The reversal of 198273 is 372891.

It is a happy number.

It is not a de Polignac number, because 198273 - 2⁴ = 198257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198273.

It is not an unprimeable number, because it can be changed into a prime (198277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3715 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2¹⁹⁸²⁷³ is an apocalyptic number.

It is an amenable number.

198273 is a deficient number, since it is larger than the sum of its proper divisors (86847).

198273 is a wasteful number, since it uses less digits than its factorization.

198273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its digits is 3024, while the sum is 30.

The square root of 198273 is about 445.2785644964. The cubic root of 198273 is about 58.3115419739.

The spelling of 198273 in words is "one hundred ninety-eight thousand, two hundred seventy-three".