9664624 has 20 divisors (see below), whose sum is σ = 18842544. Its totient is φ = 4802048.

The previous prime is 9664621. The next prime is 9664631. The reversal of 9664624 is 4264669.

It is a super-2 number, since 2×9664624² = 186809914122752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664621) 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 3 ways as a sum of consecutive naturals, for example, 864 + ... + 4480.

Almost surely, 2^9664624 is an apocalyptic number.

It is an amenable number.

9664624 is a deficient number, since it is larger than the sum of its proper divisors (9177920).

9664624 is a wasteful number, since it uses less digits than its factorization.

9664624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3786 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 9664624 is about 3108.7978383935. The cubic root of 9664624 is about 213.0075452667.

The spelling of 9664624 in words is "nine million, six hundred sixty-four thousand, six hundred twenty-four".