320104439 has 2 divisors, whose sum is σ = 320104440. Its totient is φ = 320104438.

The previous prime is 320104399. The next prime is 320104459. The reversal of 320104439 is 934401023.

It is a strong prime.

It is an emirp because it is prime and its reverse (934401023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320104439 - 2²⁴ = 303327223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320104459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160052219 + 160052220.

It is an arithmetic number, because the mean of its divisors is an integer number (160052220).

Almost surely, 2^320104439 is an apocalyptic number.

320104439 is a deficient number, since it is larger than the sum of its proper divisors (1).

320104439 is an equidigital number, since it uses as much as digits as its factorization.

320104439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 320104439 is about 17891.4627406481. The cubic root of 320104439 is about 684.0647823176.

The spelling of 320104439 in words is "three hundred twenty million, one hundred four thousand, four hundred thirty-nine".