9765660 has 48 divisors (see below), whose sum is σ = 27933696. Its totient is φ = 2548032.

The previous prime is 9765653. The next prime is 9765661. The reversal of 9765660 is 665679.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9765661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (581952).

Almost surely, 2^9765660 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 9765660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13966848).

9765660 is an abundant number, since it is smaller than the sum of its proper divisors (18168036).

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

9765660 is a wasteful number, since it uses less digits than its factorization.

9765660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 9765660 is about 3125.0055999950. The cubic root of 9765660 is about 213.7472486907.

The spelling of 9765660 in words is "nine million, seven hundred sixty-five thousand, six hundred sixty".