9611644 has 72 divisors (see below), whose sum is σ = 21546000. Its totient is φ = 3725568.

The previous prime is 9611627. The next prime is 9611659. The reversal of 9611644 is 4461169.

9611644 = T₅₅₂ + T₅₅₃ + ... + T₆₀₈.

9611644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107952 + ... + 108040.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 2^9611644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9611644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773000).

9611644 is an abundant number, since it is smaller than the sum of its proper divisors (11934356).

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

9611644 is a wasteful number, since it uses less digits than its factorization.

9611644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 146 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 9611644 is about 3100.2651499509. The cubic root of 9611644 is about 212.6176068715.

The spelling of 9611644 in words is "nine million, six hundred eleven thousand, six hundred forty-four".