9765665 has 32 divisors (see below), whose sum is σ = 14622720. Its totient is φ = 6132672.

The previous prime is 9765661. The next prime is 9765671. The reversal of 9765665 is 5665679.

9765665 = 207² + 208² + ... + 336².

It is not a de Polignac number, because 9765665 - 2² = 9765661 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 76832 + ... + 76958.

It is an arithmetic number, because the mean of its divisors is an integer number (456960).

Almost surely, 2^9765665 is an apocalyptic number.

It is an amenable number.

9765665 is a deficient number, since it is larger than the sum of its proper divisors (4857055).

9765665 is a wasteful number, since it uses less digits than its factorization.

9765665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 152 counting only the distinct ones).

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

The square root of 9765665 is about 3125.0063999934. The cubic root of 9765665 is about 213.7472851701.

The spelling of 9765665 in words is "nine million, seven hundred sixty-five thousand, six hundred sixty-five".