9678984 has 64 divisors (see below), whose sum is σ = 29289600. Its totient is φ = 2601984.

The previous prime is 9678979. The next prime is 9679003. The reversal of 9678984 is 4898769.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (457650).

Almost surely, 2^9678984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9678984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644800).

9678984 is an abundant number, since it is smaller than the sum of its proper divisors (19610616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9678984 is a wasteful number, since it uses less digits than its factorization.

9678984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3418 counting only the distinct ones).

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

The square root of 9678984 is about 3111.1065555522. The cubic root of 9678984 is about 213.1129908123.

The spelling of 9678984 in words is "nine million, six hundred seventy-eight thousand, nine hundred eighty-four".