189293 has 4 divisors (see below), whose sum is σ = 203868. Its totient is φ = 174720.

The previous prime is 189271. The next prime is 189307. The reversal of 189293 is 392981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100489 + 88804 = 317^2 + 298^2 .

It is not a de Polignac number, because 189293 - 2⁶ = 189229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7268 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (50967).

2¹⁸⁹²⁹³ is an apocalyptic number.

189293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189293 is a deficient number, since it is larger than the sum of its proper divisors (14575).

189293 is a wasteful number, since it uses less digits than its factorization.

189293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574.

The product of its digits is 3888, while the sum is 32.

The square root of 189293 is about 435.0781538988. The cubic root of 189293 is about 57.4175756657.

The spelling of 189293 in words is "one hundred eighty-nine thousand, two hundred ninety-three".