9663648 has 48 divisors (see below), whose sum is σ = 25968096. Its totient is φ = 3144960.

The previous prime is 9663629. The next prime is 9663677. The reversal of 9663648 is 8463669.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (541002).

Almost surely, 2^9663648 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 9663648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12984048).

9663648 is an abundant number, since it is smaller than the sum of its proper divisors (16304448).

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

9663648 is a wasteful number, since it uses less digits than its factorization.

9663648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2389 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 9663648 is about 3108.6408605691. The cubic root of 9663648 is about 213.0003747045. Note that the first 3 decimals are identical.

The spelling of 9663648 in words is "nine million, six hundred sixty-three thousand, six hundred forty-eight".