9682640 has 40 divisors (see below), whose sum is σ = 24560928. Its totient is φ = 3520640.

The previous prime is 9682627. The next prime is 9682649. The reversal of 9682640 is 462869.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 9682640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9682649) 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 7 ways as a sum of consecutive naturals, for example, 4622 + ... + 6381.

Almost surely, 2^9682640 is an apocalyptic number.

It is an amenable number.

9682640 is an abundant number, since it is smaller than the sum of its proper divisors (14878288).

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

9682640 is a wasteful number, since it uses less digits than its factorization.

9682640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027 (or 11021 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 9682640 is about 3111.6940723664. The cubic root of 9682640 is about 213.1398201784.

The spelling of 9682640 in words is "nine million, six hundred eighty-two thousand, six hundred forty".