9873889 has 8 divisors (see below), whose sum is σ = 10558080. Its totient is φ = 9201216.

The previous prime is 9873883. The next prime is 9873893. The reversal of 9873889 is 9883789.

9873889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9873889 - 2³ = 9873881 is a prime.

It is a Duffinian number.

9873889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9873881) 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, 1069 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (1319760).

Almost surely, 2^9873889 is an apocalyptic number.

It is an amenable number.

9873889 is a deficient number, since it is larger than the sum of its proper divisors (684191).

9873889 is a wasteful number, since it uses less digits than its factorization.

9873889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759.

The product of its digits is 870912, while the sum is 52.

The square root of 9873889 is about 3142.2744946933. The cubic root of 9873889 is about 214.5339752711.

The spelling of 9873889 in words is "nine million, eight hundred seventy-three thousand, eight hundred eighty-nine".