9609666 has 16 divisors (see below), whose sum is σ = 20966688. Its totient is φ = 2912000.

The previous prime is 9609661. The next prime is 9609671. The reversal of 9609666 is 6669069.

It is an interprime number because it is at equal distance from previous prime (9609661) and next prime (9609671).

It is not an unprimeable number, because it can be changed into a prime (9609661) 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, 72735 + ... + 72866.

It is an arithmetic number, because the mean of its divisors is an integer number (1310418).

Almost surely, 2^9609666 is an apocalyptic number.

9609666 is an abundant number, since it is smaller than the sum of its proper divisors (11357022).

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

9609666 is a wasteful number, since it uses less digits than its factorization.

9609666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145617.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 9609666 is about 3099.9461285642. The cubic root of 9609666 is about 212.6030208659.

The spelling of 9609666 in words is "nine million, six hundred nine thousand, six hundred sixty-six".