889841 has 4 divisors (see below), whose sum is σ = 893172. Its totient is φ = 886512.

The previous prime is 889829. The next prime is 889871. The reversal of 889841 is 148988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 87025 = 896^2 + 295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 889795 and 889804.

It is not an unprimeable number, because it can be changed into a prime (889871) 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, 1226 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (223293).

2⁸⁸⁹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

889841 is a deficient number, since it is larger than the sum of its proper divisors (3331).

889841 is a wasteful number, since it uses less digits than its factorization.

889841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330.

The product of its digits is 18432, while the sum is 38.

The square root of 889841 is about 943.3138396101. The cubic root of 889841 is about 96.1842886501.

The spelling of 889841 in words is "eight hundred eighty-nine thousand, eight hundred forty-one".