9597666 has 32 divisors (see below), whose sum is σ = 21389760. Its totient is φ = 2850624.

The previous prime is 9597661. The next prime is 9597677. The reversal of 9597666 is 6667959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9597661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (668430).

Almost surely, 2^9597666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9597666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10694880).

9597666 is an abundant number, since it is smaller than the sum of its proper divisors (11792094).

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

9597666 is a wasteful number, since it uses less digits than its factorization.

9597666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its digits is 612360, while the sum is 48.

The square root of 9597666 is about 3098.0100064396. The cubic root of 9597666 is about 212.5144885162.

The spelling of 9597666 in words is "nine million, five hundred ninety-seven thousand, six hundred sixty-six".