9668624 has 40 divisors (see below), whose sum is σ = 21576000. Its totient is φ = 4111488.

The previous prime is 9668599. The next prime is 9668639. The reversal of 9668624 is 4268669.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19127 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (539400).

Almost surely, 2^9668624 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 9668624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10788000).

9668624 is an abundant number, since it is smaller than the sum of its proper divisors (11907376).

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

9668624 is a wasteful number, since it uses less digits than its factorization.

9668624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 9668624 is about 3109.4411073375. The cubic root of 9668624 is about 213.0369277743.

The spelling of 9668624 in words is "nine million, six hundred sixty-eight thousand, six hundred twenty-four".