189606271 has 4 divisors (see below), whose sum is σ = 189640872. Its totient is φ = 189571672.

The previous prime is 189606269. The next prime is 189606311. The reversal of 189606271 is 172606981.

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

It is a cyclic number.

It is not a de Polignac number, because 189606271 - 2¹ = 189606269 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 (189606251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060 + ... + 20713.

It is an arithmetic number, because the mean of its divisors is an integer number (47410218).

Almost surely, 2^189606271 is an apocalyptic number.

189606271 is a deficient number, since it is larger than the sum of its proper divisors (34601).

189606271 is an equidigital number, since it uses as much as digits as its factorization.

189606271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34600.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 189606271 is about 13769.7592934662. The cubic root of 189606271 is about 574.4923266972.

The spelling of 189606271 in words is "one hundred eighty-nine million, six hundred six thousand, two hundred seventy-one".