9620664 has 64 divisors (see below), whose sum is σ = 25328640. Its totient is φ = 3041280.

The previous prime is 9620641. The next prime is 9620671. The reversal of 9620664 is 4660269.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 49752 + ... + 49944.

It is an arithmetic number, because the mean of its divisors is an integer number (395760).

Almost surely, 2^9620664 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 9620664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12664320).

9620664 is an abundant number, since it is smaller than the sum of its proper divisors (15707976).

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

9620664 is a wasteful number, since it uses less digits than its factorization.

9620664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 9620664 is about 3101.7195231033. The cubic root of 9620664 is about 212.6840960592.

The spelling of 9620664 in words is "nine million, six hundred twenty thousand, six hundred sixty-four".