189094717 has 4 divisors (see below), whose sum is σ = 216108256. Its totient is φ = 162081180.

The previous prime is 189094681. The next prime is 189094727. The reversal of 189094717 is 717490981.

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 189094717 - 2²³ = 180706109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189094727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13506759 + ... + 13506772.

It is an arithmetic number, because the mean of its divisors is an integer number (54027064).

Almost surely, 2^189094717 is an apocalyptic number.

It is an amenable number.

189094717 is a deficient number, since it is larger than the sum of its proper divisors (27013539).

189094717 is an equidigital number, since it uses as much as digits as its factorization.

189094717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27013538.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 189094717 is about 13751.1714773688. The cubic root of 189094717 is about 573.9752050138.

The spelling of 189094717 in words is "one hundred eighty-nine million, ninety-four thousand, seven hundred seventeen".