9765564 has 12 divisors (see below), whose sum is σ = 22786344. Its totient is φ = 3255184.

The previous prime is 9765529. The next prime is 9765583. The reversal of 9765564 is 4655679.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406887 + ... + 406910.

It is an arithmetic number, because the mean of its divisors is an integer number (1898862).

Almost surely, 2^9765564 is an apocalyptic number.

It is an amenable number.

9765564 is an abundant number, since it is smaller than the sum of its proper divisors (13020780).

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

9765564 is a wasteful number, since it uses less digits than its factorization.

9765564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813804 (or 813802 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 9765564 is about 3124.9902399848. The cubic root of 9765564 is about 213.7465482839.

The spelling of 9765564 in words is "nine million, seven hundred sixty-five thousand, five hundred sixty-four".