9647964 has 48 divisors (see below), whose sum is σ = 25216800. Its totient is φ = 3189888.

The previous prime is 9647929. The next prime is 9647987. The reversal of 9647964 is 4697469.

It is a congruent number.

It is an unprimeable number.

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, 16672 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (525350).

Almost surely, 2^9647964 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 9647964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12608400).

9647964 is an abundant number, since it is smaller than the sum of its proper divisors (15568836).

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

9647964 is a wasteful number, since it uses less digits than its factorization.

9647964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 731 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 9647964 is about 3106.1171903198. The cubic root of 9647964 is about 212.8850798451.

The spelling of 9647964 in words is "nine million, six hundred forty-seven thousand, nine hundred sixty-four".