9664224 has 24 divisors (see below), whose sum is σ = 25368840. Its totient is φ = 3221376.

The previous prime is 9664223. The next prime is 9664231. The reversal of 9664224 is 4224669.

It is a happy number.

9664224 is nontrivially palindromic in base 5.

9664224 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50239 + ... + 50430.

It is an arithmetic number, because the mean of its divisors is an integer number (1057035).

Almost surely, 2^9664224 is an apocalyptic number.

It is an amenable number.

9664224 is an abundant number, since it is smaller than the sum of its proper divisors (15704616).

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

9664224 is a wasteful number, since it uses less digits than its factorization.

9664224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100682 (or 100674 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 9664224 is about 3108.7335041782. The cubic root of 9664224 is about 213.0046065701.

The spelling of 9664224 in words is "nine million, six hundred sixty-four thousand, two hundred twenty-four".