889443 has 12 divisors (see below), whose sum is σ = 1319968. Its totient is φ = 576720.

The previous prime is 889439. The next prime is 889453. The reversal of 889443 is 344988.

889443 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 889443 - 2² = 889439 is a prime.

It is a super-2 number, since 2×889443² = 1582217700498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889398 and 889407.

It is not an unprimeable number, because it can be changed into a prime (889453) 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, 1003 + ... + 1668.

2⁸⁸⁹⁴⁴³ is an apocalyptic number.

889443 is a deficient number, since it is larger than the sum of its proper divisors (430525).

889443 is a wasteful number, since it uses less digits than its factorization.

889443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2711 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 889443 is about 943.1028575930. The cubic root of 889443 is about 96.1699463666.

The spelling of 889443 in words is "eight hundred eighty-nine thousand, four hundred forty-three".