9665607 has 8 divisors (see below), whose sum is σ = 14728576. Its totient is φ = 5523192.

The previous prime is 9665587. The next prime is 9665609. The reversal of 9665607 is 7065669.

It is a happy number.

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

It is not a de Polignac number, because 9665607 - 2⁷ = 9665479 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 (9665609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230113 + ... + 230154.

It is an arithmetic number, because the mean of its divisors is an integer number (1841072).

Almost surely, 2^9665607 is an apocalyptic number.

9665607 is a deficient number, since it is larger than the sum of its proper divisors (5062969).

9665607 is a wasteful number, since it uses less digits than its factorization.

9665607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460277.

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

The square root of 9665607 is about 3108.9559340718. The cubic root of 9665607 is about 213.0147667692.

It can be divided in two parts, 96 and 65607, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 9665607 in words is "nine million, six hundred sixty-five thousand, six hundred seven".