9644272 has 40 divisors (see below), whose sum is σ = 20949552. Its totient is φ = 4262400.

The previous prime is 9644263. The next prime is 9644273. The reversal of 9644272 is 2724469.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9644273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 7252.

Almost surely, 2^9644272 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 9644272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10474776).

9644272 is an abundant number, since it is smaller than the sum of its proper divisors (11305280).

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

9644272 is a wasteful number, since it uses less digits than its factorization.

9644272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1531 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 9644272 is about 3105.5228223280. The cubic root of 9644272 is about 212.8579213692.

The spelling of 9644272 in words is "nine million, six hundred forty-four thousand, two hundred seventy-two".