344314391 has 2 divisors, whose sum is σ = 344314392. Its totient is φ = 344314390.

The previous prime is 344314331. The next prime is 344314441. The reversal of 344314391 is 193413443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344314391 - 2¹⁴ = 344298007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344314331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172157195 + 172157196.

It is an arithmetic number, because the mean of its divisors is an integer number (172157196).

Almost surely, 2^344314391 is an apocalyptic number.

344314391 is a deficient number, since it is larger than the sum of its proper divisors (1).

344314391 is an equidigital number, since it uses as much as digits as its factorization.

344314391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 344314391 is about 18555.7104687479. The cubic root of 344314391 is about 700.8930038303.

The spelling of 344314391 in words is "three hundred forty-four million, three hundred fourteen thousand, three hundred ninety-one".