9673664 has 112 divisors (see below), whose sum is σ = 25944576. Its totient is φ = 3456000.

The previous prime is 9673649. The next prime is 9673669. The reversal of 9673664 is 4663769.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9673669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63989 + ... + 64139.

It is an arithmetic number, because the mean of its divisors is an integer number (231648).

Almost surely, 2^9673664 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 9673664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12972288).

9673664 is an abundant number, since it is smaller than the sum of its proper divisors (16270912).

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

9673664 is a wasteful number, since it uses less digits than its factorization.

9673664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 9673664 is about 3110.2514367813. The cubic root of 9673664 is about 213.0739381977.

The spelling of 9673664 in words is "nine million, six hundred seventy-three thousand, six hundred sixty-four".