9678489 has 16 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 6109376.

The previous prime is 9678439. The next prime is 9678499. The reversal of 9678489 is 9848769.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9678489 - 2⁸ = 9678233 is a prime.

It is a d-powerful number, because it can be written as 9⁷ + 6⁶ + 7³ + 8 + 4⁸ + 8 + 9⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9678439) 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 15 ways as a sum of consecutive naturals, for example, 3562 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^9678489 is an apocalyptic number.

It is an amenable number.

9678489 is a deficient number, since it is larger than the sum of its proper divisors (3929511).

9678489 is a wasteful number, since it uses less digits than its factorization.

9678489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 870912, while the sum is 51.

The square root of 9678489 is about 3111.0270008471. The cubic root of 9678489 is about 213.1093577613.

The spelling of 9678489 in words is "nine million, six hundred seventy-eight thousand, four hundred eighty-nine".