9644672 has 32 divisors (see below), whose sum is σ = 19380000. Its totient is φ = 4780800.

The previous prime is 9644669. The next prime is 9644707. The reversal of 9644672 is 2764469.

It is a tau number, because it is divible by the number of its divisors (32).

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, 19079 + ... + 19577.

It is an arithmetic number, because the mean of its divisors is an integer number (605625).

Almost surely, 2^9644672 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 9644672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9690000).

9644672 is an abundant number, since it is smaller than the sum of its proper divisors (9735328).

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

9644672 is a wasteful number, since it uses less digits than its factorization.

9644672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 652 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 9644672 is about 3105.5872230546. The cubic root of 9644672 is about 212.8608641174.

It can be divided in two parts, 964467 and 2, that added together give a palindrome (964469).

The spelling of 9644672 in words is "nine million, six hundred forty-four thousand, six hundred seventy-two".