889869 has 8 divisors (see below), whose sum is σ = 1193472. Its totient is φ = 589760.

The previous prime is 889829. The next prime is 889871. The reversal of 889869 is 968988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889869 is a prime.

It is a super-2 number, since 2×889869² = 1583733674322, which contains 22 as substring.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (149184).

2⁸⁸⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

889869 is a deficient number, since it is larger than the sum of its proper divisors (303603).

889869 is a wasteful number, since it uses less digits than its factorization.

889869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

The product of its digits is 248832, while the sum is 48.

The square root of 889869 is about 943.3286807895. The cubic root of 889869 is about 96.1852974939.

The spelling of 889869 in words is "eight hundred eighty-nine thousand, eight hundred sixty-nine".