320416379 has 2 divisors, whose sum is σ = 320416380. Its totient is φ = 320416378.

The previous prime is 320416373. The next prime is 320416441. The reversal of 320416379 is 973614023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320416379 - 2¹² = 320412283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320416373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160208189 + 160208190.

It is an arithmetic number, because the mean of its divisors is an integer number (160208190).

Almost surely, 2^320416379 is an apocalyptic number.

320416379 is a deficient number, since it is larger than the sum of its proper divisors (1).

320416379 is an equidigital number, since it uses as much as digits as its factorization.

320416379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 320416379 is about 17900.1781834707. The cubic root of 320416379 is about 684.2869159557.

The spelling of 320416379 in words is "three hundred twenty million, four hundred sixteen thousand, three hundred seventy-nine".