9666369 has 6 divisors (see below), whose sum is σ = 13962546. Its totient is φ = 6444240.

The previous prime is 9666347. The next prime is 9666373. The reversal of 9666369 is 9636669.

It can be written as a sum of positive squares in only one way, i.e., 8625969 + 1040400 = 2937^2 + 1020^2 .

It is not a de Polignac number, because 9666369 - 2⁵ = 9666337 is a prime.

It is a super-2 number, since 2×9666369² = 186877379288322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9666169) 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 5 ways as a sum of consecutive naturals, for example, 537012 + ... + 537029.

It is an arithmetic number, because the mean of its divisors is an integer number (2327091).

Almost surely, 2^9666369 is an apocalyptic number.

It is an amenable number.

9666369 is a deficient number, since it is larger than the sum of its proper divisors (4296177).

9666369 is a wasteful number, since it uses less digits than its factorization.

9666369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074047 (or 1074044 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 9666369 is about 3109.0784808364. The cubic root of 9666369 is about 213.0203643824.

The spelling of 9666369 in words is "nine million, six hundred sixty-six thousand, three hundred sixty-nine".