9566648 has 64 divisors (see below), whose sum is σ = 23405760. Its totient is φ = 3557376.

The previous prime is 9566647. The next prime is 9566651. The reversal of 9566648 is 8466659.

It is a Cunningham number, because it is equal to 3093²-1.

It is a junction number, because it is equal to n+sod(n) for n = 9566599 and 9566608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9566647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11990 + ... + 12762.

It is an arithmetic number, because the mean of its divisors is an integer number (365715).

Almost surely, 2^9566648 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 9566648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11702880).

9566648 is an abundant number, since it is smaller than the sum of its proper divisors (13839112).

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

9566648 is a wasteful number, since it uses less digits than its factorization.

9566648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 812 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 9566648 is about 3092.9998383446. Note that the first 3 decimals coincide. The cubic root of 9566648 is about 212.2853047285.

The spelling of 9566648 in words is "nine million, five hundred sixty-six thousand, six hundred forty-eight".