889641 has 6 divisors (see below), whose sum is σ = 1285050. Its totient is φ = 593088.

The previous prime is 889639. The next prime is 889657. The reversal of 889641 is 146988.

It is a happy number.

889641 is a `hidden beast` number, since 8 + 8 + 9 + 641 = 666.

889641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 184041 = 840^2 + 429^2 .

It is not a de Polignac number, because 889641 - 2¹ = 889639 is a prime.

It is a super-2 number, since 2×889641² = 1582922217762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 889596 and 889605.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 889641.

It is not an unprimeable number, because it can be changed into a prime (889631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49416 + ... + 49433.

It is an arithmetic number, because the mean of its divisors is an integer number (214175).

2⁸⁸⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

889641 is a deficient number, since it is larger than the sum of its proper divisors (395409).

889641 is a wasteful number, since it uses less digits than its factorization.

889641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98855 (or 98852 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 889641 is about 943.2078243950. The cubic root of 889641 is about 96.1770820071.

The spelling of 889641 in words is "eight hundred eighty-nine thousand, six hundred forty-one".