196189 has 4 divisors (see below), whose sum is σ = 224224. Its totient is φ = 168156.

The previous prime is 196187. The next prime is 196193. The reversal of 196189 is 981691.

196189 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196189 - 2¹ = 196187 is a prime.

196189 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14007 + ... + 14020.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2¹⁹⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

196189 is a deficient number, since it is larger than the sum of its proper divisors (28035).

196189 is an equidigital number, since it uses as much as digits as its factorization.

196189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034.

The product of its digits is 3888, while the sum is 34.

The square root of 196189 is about 442.9322747328. The cubic root of 196189 is about 58.1065224344.

The spelling of 196189 in words is "one hundred ninety-six thousand, one hundred eighty-nine".