9006644 has 24 divisors (see below), whose sum is σ = 16134720. Its totient is φ = 4398336.

The previous prime is 9006631. The next prime is 9006649. The reversal of 9006644 is 4466009.

It is a super-2 number, since 2×9006644² = 162239272285472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9006649) 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 7 ways as a sum of consecutive naturals, for example, 53849 + ... + 54015.

It is an arithmetic number, because the mean of its divisors is an integer number (672280).

Almost surely, 2^9006644 is an apocalyptic number.

It is an amenable number.

9006644 is a deficient number, since it is larger than the sum of its proper divisors (7128076).

9006644 is a wasteful number, since it uses less digits than its factorization.

9006644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 9006644 is about 3001.1071290442. The cubic root of 9006644 is about 208.0595551850.

The spelling of 9006644 in words is "nine million, six thousand, six hundred forty-four".