9687656 has 32 divisors (see below), whose sum is σ = 19936800. Its totient is φ = 4376640.

The previous prime is 9687647. The next prime is 9687661. The reversal of 9687656 is 6567869.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 9687656.

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 7 ways as a sum of consecutive naturals, for example, 24710 + ... + 25098.

It is an arithmetic number, because the mean of its divisors is an integer number (623025).

Almost surely, 2^9687656 is an apocalyptic number.

It is a pronic number, being equal to 3112×3113.

It is an amenable number.

9687656 is an abundant number, since it is smaller than the sum of its proper divisors (10249144).

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

9687656 is a wasteful number, since it uses less digits than its factorization.

9687656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 9687656 is about 3112.4999598394. The cubic root of 9687656 is about 213.1766188468.

The spelling of 9687656 in words is "nine million, six hundred eighty-seven thousand, six hundred fifty-six".