8621339 has 2 divisors, whose sum is σ = 8621340. Its totient is φ = 8621338.

The previous prime is 8621309. The next prime is 8621377. The reversal of 8621339 is 9331268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8621339 - 2⁸ = 8621083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8621309) 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, 4310669 + 4310670.

It is an arithmetic number, because the mean of its divisors is an integer number (4310670).

Almost surely, 2^8621339 is an apocalyptic number.

8621339 is a deficient number, since it is larger than the sum of its proper divisors (1).

8621339 is an equidigital number, since it uses as much as digits as its factorization.

8621339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 8621339 is about 2936.2116749308. The cubic root of 8621339 is about 205.0492762766.

The spelling of 8621339 in words is "eight million, six hundred twenty-one thousand, three hundred thirty-nine".