9811648 has 84 divisors (see below), whose sum is σ = 24593296. Its totient is φ = 3801600.

The previous prime is 9811643. The next prime is 9811661. The reversal of 9811648 is 8461189.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9811643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54118 + ... + 54298.

Almost surely, 2^9811648 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 9811648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12296648).

9811648 is an abundant number, since it is smaller than the sum of its proper divisors (14781648).

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

9811648 is a wasteful number, since it uses less digits than its factorization.

9811648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 201 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 9811648 is about 3132.3550245782. The cubic root of 9811648 is about 214.0822463145.

The spelling of 9811648 in words is "nine million, eight hundred eleven thousand, six hundred forty-eight".