8323681 has 2 divisors, whose sum is σ = 8323682. Its totient is φ = 8323680.

The previous prime is 8323649. The next prime is 8323741. The reversal of 8323681 is 1863238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4774225 + 3549456 = 2185^2 + 1884^2 .

It is a cyclic number.

It is not a de Polignac number, because 8323681 - 2⁵ = 8323649 is a prime.

It is a super-3 number, since 3×8323681³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8323481) 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 as a sum of consecutive naturals, namely, 4161840 + 4161841.

It is an arithmetic number, because the mean of its divisors is an integer number (4161841).

Almost surely, 2^8323681 is an apocalyptic number.

It is an amenable number.

8323681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8323681 is an equidigital number, since it uses as much as digits as its factorization.

8323681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 8323681 is about 2885.0790283803. The cubic root of 8323681 is about 202.6617596895.

The spelling of 8323681 in words is "eight million, three hundred twenty-three thousand, six hundred eighty-one".