889791 has 12 divisors (see below), whose sum is σ = 1380312. Its totient is φ = 508368.

The previous prime is 889783. The next prime is 889829. The reversal of 889791 is 197988.

It is not a de Polignac number, because 889791 - 2³ = 889783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (115026).

2⁸⁸⁹⁷⁹¹ is an apocalyptic number.

889791 is a deficient number, since it is larger than the sum of its proper divisors (490521).

889791 is a wasteful number, since it uses less digits than its factorization.

889791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070 (or 6063 counting only the distinct ones).

The product of its digits is 36288, while the sum is 42.

The square root of 889791 is about 943.2873369234. The cubic root of 889791 is about 96.1824870906.

The spelling of 889791 in words is "eight hundred eighty-nine thousand, seven hundred ninety-one".