344354407 has 2 divisors, whose sum is σ = 344354408. Its totient is φ = 344354406.

The previous prime is 344354401. The next prime is 344354453. The reversal of 344354407 is 704453443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344354407 - 2¹⁵ = 344321639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344354401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172177203 + 172177204.

It is an arithmetic number, because the mean of its divisors is an integer number (172177204).

Almost surely, 2^344354407 is an apocalyptic number.

344354407 is a deficient number, since it is larger than the sum of its proper divisors (1).

344354407 is an equidigital number, since it uses as much as digits as its factorization.

344354407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 344354407 is about 18556.7887038679. The cubic root of 344354407 is about 700.9201552252.

The spelling of 344354407 in words is "three hundred forty-four million, three hundred fifty-four thousand, four hundred seven".