344004407 has 2 divisors, whose sum is σ = 344004408. Its totient is φ = 344004406.

The previous prime is 344004377. The next prime is 344004413. The reversal of 344004407 is 704400443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344004407 - 2⁸ = 344004151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344004497) 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, 172002203 + 172002204.

It is an arithmetic number, because the mean of its divisors is an integer number (172002204).

Almost surely, 2^344004407 is an apocalyptic number.

344004407 is a deficient number, since it is larger than the sum of its proper divisors (1).

344004407 is an equidigital number, since it uses as much as digits as its factorization.

344004407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 344004407 is about 18547.3557953688. The cubic root of 344004407 is about 700.6826042109.

The spelling of 344004407 in words is "three hundred forty-four million, four thousand, four hundred seven".