9688240 has 40 divisors (see below), whose sum is σ = 22654800. Its totient is φ = 3853056.

The previous prime is 9688199. The next prime is 9688243. The reversal of 9688240 is 428869.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9688240.

It is not an unprimeable number, because it can be changed into a prime (9688243) 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 7 ways as a sum of consecutive naturals, for example, 27586 + ... + 27934.

It is an arithmetic number, because the mean of its divisors is an integer number (566370).

Almost surely, 2^9688240 is an apocalyptic number.

It is an amenable number.

9688240 is an abundant number, since it is smaller than the sum of its proper divisors (12966560).

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

9688240 is a wasteful number, since it uses less digits than its factorization.

9688240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 9688240 is about 3112.5937736878. The cubic root of 9688240 is about 213.1809023957.

The spelling of 9688240 in words is "nine million, six hundred eighty-eight thousand, two hundred forty".