889534459 has 4 divisors (see below), whose sum is σ = 970401240. Its totient is φ = 808667680.

The previous prime is 889534447. The next prime is 889534463. The reversal of 889534459 is 954435988.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889534459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889534439) 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, 40433374 + ... + 40433395.

It is an arithmetic number, because the mean of its divisors is an integer number (242600310).

Almost surely, 2^889534459 is an apocalyptic number.

889534459 is a deficient number, since it is larger than the sum of its proper divisors (80866781).

889534459 is a wasteful number, since it uses less digits than its factorization.

889534459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80866780.

The product of its digits is 6220800, while the sum is 55.

The square root of 889534459 is about 29825.0642748679. The cubic root of 889534459 is about 961.7324255142.

The spelling of 889534459 in words is "eight hundred eighty-nine million, five hundred thirty-four thousand, four hundred fifty-nine".