189593 has 2 divisors, whose sum is σ = 189594. Its totient is φ = 189592.

The previous prime is 189583. The next prime is 189599. The reversal of 189593 is 395981.

189593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 85264 = 323^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 189593 - 2⁶ = 189529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (189599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94796 + 94797.

It is an arithmetic number, because the mean of its divisors is an integer number (94797).

2¹⁸⁹⁵⁹³ is an apocalyptic number.

It is an amenable number.

189593 is a deficient number, since it is larger than the sum of its proper divisors (1).

189593 is an equidigital number, since it uses as much as digits as its factorization.

189593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 189593 is about 435.4227830511. The cubic root of 189593 is about 57.4478923017.

The spelling of 189593 in words is "one hundred eighty-nine thousand, five hundred ninety-three".