889717 has 4 divisors (see below), whose sum is σ = 892000. Its totient is φ = 887436.

The previous prime is 889703. The next prime is 889727. The reversal of 889717 is 717988.

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 889717 - 2⁷ = 889589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889727) 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, 393 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (223000).

2⁸⁸⁹⁷¹⁷ is an apocalyptic number.

It is an amenable number.

889717 is a deficient number, since it is larger than the sum of its proper divisors (2283).

889717 is a wasteful number, since it uses less digits than its factorization.

889717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282.

The product of its digits is 28224, while the sum is 40.

The square root of 889717 is about 943.2481115804. The cubic root of 889717 is about 96.1798206586.

The spelling of 889717 in words is "eight hundred eighty-nine thousand, seven hundred seventeen".