9664687 has 8 divisors (see below), whose sum is σ = 10260432. Its totient is φ = 9072000.

The previous prime is 9664679. The next prime is 9664691. The reversal of 9664687 is 7864669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9664687 - 2³ = 9664679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9662687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11512 + ... + 12322.

It is an arithmetic number, because the mean of its divisors is an integer number (1282554).

Almost surely, 2^9664687 is an apocalyptic number.

9664687 is a deficient number, since it is larger than the sum of its proper divisors (595745).

9664687 is a wasteful number, since it uses less digits than its factorization.

9664687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its digits is 435456, while the sum is 46.

The square root of 9664687 is about 3108.8079709110. The cubic root of 9664687 is about 213.0080081041.

The spelling of 9664687 in words is "nine million, six hundred sixty-four thousand, six hundred eighty-seven".