9660864 has 56 divisors (see below), whose sum is σ = 25977088. Its totient is φ = 3168000.

The previous prime is 9660863. The next prime is 9660869. The reversal of 9660864 is 4680669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9660863) 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, 12489 + ... + 13239.

Almost surely, 2^9660864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9660864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12988544).

9660864 is an abundant number, since it is smaller than the sum of its proper divisors (16316224).

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

9660864 is a wasteful number, since it uses less digits than its factorization.

9660864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 9660864 is about 3108.1930441979. The cubic root of 9660864 is about 212.9799183166.

The spelling of 9660864 in words is "nine million, six hundred sixty thousand, eight hundred sixty-four".