9678889 has 8 divisors (see below), whose sum is σ = 10601280. Its totient is φ = 8763600.

The previous prime is 9678863. The next prime is 9678901. The reversal of 9678889 is 9888769.

9678889 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 9678889 - 2⁵ = 9678857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9678589) 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, 1324 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (1325160).

Almost surely, 2^9678889 is an apocalyptic number.

It is an amenable number.

9678889 is a deficient number, since it is larger than the sum of its proper divisors (922391).

9678889 is a wasteful number, since it uses less digits than its factorization.

9678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its digits is 1741824, while the sum is 55.

The square root of 9678889 is about 3111.0912876353. The cubic root of 9678889 is about 213.1122935697.

The spelling of 9678889 in words is "nine million, six hundred seventy-eight thousand, eight hundred eighty-nine".