9665946 has 32 divisors (see below), whose sum is σ = 22612800. Its totient is φ = 3052080.

The previous prime is 9665939. The next prime is 9665947. The reversal of 9665946 is 6495669.

It is not an unprimeable number, because it can be changed into a prime (9665947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3685 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (706650).

Almost surely, 2^9665946 is an apocalyptic number.

9665946 is an abundant number, since it is smaller than the sum of its proper divisors (12946854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9665946 is a wasteful number, since it uses less digits than its factorization.

9665946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451 (or 9445 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 9665946 is about 3109.0104535045. The cubic root of 9665946 is about 213.0172570823.

The spelling of 9665946 in words is "nine million, six hundred sixty-five thousand, nine hundred forty-six".