9664443 has 12 divisors (see below), whose sum is σ = 14021280. Its totient is φ = 6414576.

The previous prime is 9664429. The next prime is 9664451. The reversal of 9664443 is 3444669.

9664443 is a `hidden beast` number, since 9 + 6 + 644 + 4 + 3 = 666.

9664443 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 9664443 - 2⁴ = 9664427 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9664398 and 9664407.

It is not an unprimeable number, because it can be changed into a prime (9664423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (1168440).

Almost surely, 2^9664443 is an apocalyptic number.

9664443 is a deficient number, since it is larger than the sum of its proper divisors (4356837).

9664443 is a wasteful number, since it uses less digits than its factorization.

9664443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738 (or 4735 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 9664443 is about 3108.7687273260. The cubic root of 9664443 is about 213.0062155166.

The spelling of 9664443 in words is "nine million, six hundred sixty-four thousand, four hundred forty-three".