9538644 has 12 divisors (see below), whose sum is σ = 22256864. Its totient is φ = 3179544.

The previous prime is 9538643. The next prime is 9538663. The reversal of 9538644 is 4468359.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9538643) 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, 397432 + ... + 397455.

Almost surely, 2^9538644 is an apocalyptic number.

It is an amenable number.

9538644 is an abundant number, since it is smaller than the sum of its proper divisors (12718220).

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

9538644 is a wasteful number, since it uses less digits than its factorization.

9538644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794894 (or 794892 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 9538644 is about 3088.4695238904. The cubic root of 9538644 is about 212.0779646791.

The spelling of 9538644 in words is "nine million, five hundred thirty-eight thousand, six hundred forty-four".