189273 has 8 divisors (see below), whose sum is σ = 288448. Its totient is φ = 108144.

The previous prime is 189271. The next prime is 189307. The reversal of 189273 is 372981.

It is a happy number.

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

It is not a de Polignac number, because 189273 - 2¹ = 189271 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 189273.

It is not an unprimeable number, because it can be changed into a prime (189271) 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, 4486 + ... + 4527.

It is an arithmetic number, because the mean of its divisors is an integer number (36056).

2¹⁸⁹²⁷³ is an apocalyptic number.

It is an amenable number.

189273 is a deficient number, since it is larger than the sum of its proper divisors (99175).

189273 is an equidigital number, since it uses as much as digits as its factorization.

189273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023.

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

The square root of 189273 is about 435.0551689154. The cubic root of 189273 is about 57.4155534181.

The spelling of 189273 in words is "one hundred eighty-nine thousand, two hundred seventy-three".