889491 has 16 divisors (see below), whose sum is σ = 1275264. Its totient is φ = 549504.

The previous prime is 889489. The next prime is 889501. The reversal of 889491 is 194988.

889491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 889491 - 2¹ = 889489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (79704).

2⁸⁸⁹⁴⁹¹ is an apocalyptic number.

889491 is a deficient number, since it is larger than the sum of its proper divisors (385773).

889491 is a wasteful number, since it uses less digits than its factorization.

889491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its digits is 20736, while the sum is 39.

The square root of 889491 is about 943.1283051632. The cubic root of 889491 is about 96.1716763160.

The spelling of 889491 in words is "eight hundred eighty-nine thousand, four hundred ninety-one".