9638844 has 12 divisors (see below), whose sum is σ = 22490664. Its totient is φ = 3212944.

The previous prime is 9638831. The next prime is 9638851. The reversal of 9638844 is 4488369.

9638844 is digitally balanced in base 2, because in such base 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 9638796 and 9638805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401607 + ... + 401630.

It is an arithmetic number, because the mean of its divisors is an integer number (1874222).

Almost surely, 2^9638844 is an apocalyptic number.

It is an amenable number.

9638844 is an abundant number, since it is smaller than the sum of its proper divisors (12851820).

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

9638844 is a wasteful number, since it uses less digits than its factorization.

9638844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803244 (or 803242 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 9638844 is about 3104.6487724057. The cubic root of 9638844 is about 212.8179802302.

The spelling of 9638844 in words is "nine million, six hundred thirty-eight thousand, eight hundred forty-four".