9705665 has 8 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 7723120.

The previous prime is 9705617. The next prime is 9705667. The reversal of 9705665 is 5665079.

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

It is not a de Polignac number, because 9705665 - 2⁶ = 9705601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9705667) 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, 4127 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^9705665 is an apocalyptic number.

It is an amenable number.

9705665 is a deficient number, since it is larger than the sum of its proper divisors (2003263).

9705665 is a wasteful number, since it uses less digits than its factorization.

9705665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 9705665 is about 3115.3916286721. The cubic root of 9705665 is about 213.3086329367.

The spelling of 9705665 in words is "nine million, seven hundred five thousand, six hundred sixty-five".