9678664 has 16 divisors (see below), whose sum is σ = 18195120. Its totient is φ = 4826640.

The previous prime is 9678637. The next prime is 9678667. The reversal of 9678664 is 4668769.

9678664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9678667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (1137195).

Almost surely, 2^9678664 is an apocalyptic number.

It is an amenable number.

9678664 is a deficient number, since it is larger than the sum of its proper divisors (8516456).

9678664 is a wasteful number, since it uses less digits than its factorization.

9678664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3176 counting only the distinct ones).

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

The square root of 9678664 is about 3111.0551264804. The cubic root of 9678664 is about 213.1106421874.

The spelling of 9678664 in words is "nine million, six hundred seventy-eight thousand, six hundred sixty-four".