889771 has 4 divisors (see below), whose sum is σ = 892944. Its totient is φ = 886600.

The previous prime is 889769. The next prime is 889783. The reversal of 889771 is 177988.

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 889771 - 2¹ = 889769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889171) 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, 1120 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (223236).

2⁸⁸⁹⁷⁷¹ is an apocalyptic number.

889771 is a deficient number, since it is larger than the sum of its proper divisors (3173).

889771 is a wasteful number, since it uses less digits than its factorization.

889771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172.

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

The square root of 889771 is about 943.2767356402. The cubic root of 889771 is about 96.1817664479.

The spelling of 889771 in words is "eight hundred eighty-nine thousand, seven hundred seventy-one".