320049907 has 2 divisors, whose sum is σ = 320049908. Its totient is φ = 320049906.

The previous prime is 320049839. The next prime is 320049923. The reversal of 320049907 is 709940023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320049907 is a prime.

It is not a weakly prime, because it can be changed into another prime (320049967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160024953 + 160024954.

It is an arithmetic number, because the mean of its divisors is an integer number (160024954).

Almost surely, 2^320049907 is an apocalyptic number.

320049907 is a deficient number, since it is larger than the sum of its proper divisors (1).

320049907 is an equidigital number, since it uses as much as digits as its factorization.

320049907 is an odious number, because the sum of its binary digits is odd.

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

The square root of 320049907 is about 17889.9387086709. The cubic root of 320049907 is about 684.0259350596.

The spelling of 320049907 in words is "three hundred twenty million, forty-nine thousand, nine hundred seven".