9667321 has 2 divisors, whose sum is σ = 9667322. Its totient is φ = 9667320.

The previous prime is 9667313. The next prime is 9667331. The reversal of 9667321 is 1237669.

9667321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 876096 = 2965^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 9667321 - 2³ = 9667313 is a prime.

9667321 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9667331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833660 + 4833661.

It is an arithmetic number, because the mean of its divisors is an integer number (4833661).

Almost surely, 2^9667321 is an apocalyptic number.

It is an amenable number.

9667321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667321 is an equidigital number, since it uses as much as digits as its factorization.

9667321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 9667321 is about 3109.2315770943. The cubic root of 9667321 is about 213.0273573125.

The spelling of 9667321 in words is "nine million, six hundred sixty-seven thousand, three hundred twenty-one".