9640064 has 96 divisors (see below), whose sum is σ = 23546700. Its totient is φ = 3913728.

The previous prime is 9640061. The next prime is 9640109. The reversal of 9640064 is 4600469.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 153664 = 3080^2 + 392^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (9640061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181862 + ... + 181914.

Almost surely, 2^9640064 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 9640064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11773350).

9640064 is an abundant number, since it is smaller than the sum of its proper divisors (13906636).

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

9640064 is a wasteful number, since it uses less digits than its factorization.

9640064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 9640064 is about 3104.8452457409. The cubic root of 9640064 is about 212.8269587268.

The spelling of 9640064 in words is "nine million, six hundred forty thousand, sixty-four".