9665630 has 32 divisors (see below), whose sum is σ = 18900000. Its totient is φ = 3537792.

The previous prime is 9665609. The next prime is 9665641. The reversal of 9665630 is 365669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19121 + ... + 19619.

It is an arithmetic number, because the mean of its divisors is an integer number (590625).

Almost surely, 2^9665630 is an apocalyptic number.

9665630 is a deficient number, since it is larger than the sum of its proper divisors (9234370).

9665630 is a wasteful number, since it uses less digits than its factorization.

9665630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 9665630 is about 3108.9596330606. The cubic root of 9665630 is about 213.0149357304.

The spelling of 9665630 in words is "nine million, six hundred sixty-five thousand, six hundred thirty".