9665765 has 8 divisors (see below), whose sum is σ = 11739168. Its totient is φ = 7639120.

The previous prime is 9665749. The next prime is 9665767. The reversal of 9665765 is 5675669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9665765 - 2⁴ = 9665749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665767) 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, 11231 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (1467396).

Almost surely, 2^9665765 is an apocalyptic number.

It is an amenable number.

9665765 is a deficient number, since it is larger than the sum of its proper divisors (2073403).

9665765 is a wasteful number, since it uses less digits than its factorization.

9665765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23379.

The product of its digits is 340200, while the sum is 44.

The square root of 9665765 is about 3108.9813444278. The cubic root of 9665765 is about 213.0159274533.

The spelling of 9665765 in words is "nine million, six hundred sixty-five thousand, seven hundred sixty-five".