889849 has 4 divisors (see below), whose sum is σ = 894564. Its totient is φ = 885136.

The previous prime is 889829. The next prime is 889871. The reversal of 889849 is 948988.

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 409600 + 480249 = 640^2 + 693^2 .

It is a cyclic number.

It is not a de Polignac number, because 889849 - 2⁹ = 889337 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889799 and 889808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (223641).

2⁸⁸⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

889849 is a deficient number, since it is larger than the sum of its proper divisors (4715).

889849 is a wasteful number, since it uses less digits than its factorization.

889849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714.

The product of its digits is 165888, while the sum is 46.

The square root of 889849 is about 943.3180799709. The cubic root of 889849 is about 96.1845768933.

The spelling of 889849 in words is "eight hundred eighty-nine thousand, eight hundred forty-nine".