9640680 has 128 divisors (see below), whose sum is σ = 34560000. Its totient is φ = 2103552.

The previous prime is 9640667. The next prime is 9640693. The reversal of 9640680 is 860469.

It is an interprime number because it is at equal distance from previous prime (9640667) and next prime (9640693).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19071 + ... + 19569.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^9640680 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 9640680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17280000).

9640680 is an abundant number, since it is smaller than the sum of its proper divisors (24919320).

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

9640680 is a wasteful number, since it uses less digits than its factorization.

9640680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 9640680 is about 3104.9444439474. The cubic root of 9640680 is about 212.8314918438.

The spelling of 9640680 in words is "nine million, six hundred forty thousand, six hundred eighty".