344412247 has 2 divisors, whose sum is σ = 344412248. Its totient is φ = 344412246.

The previous prime is 344412239. The next prime is 344412307. The reversal of 344412247 is 742214443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344412247 - 2³ = 344412239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344412347) 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, 172206123 + 172206124.

It is an arithmetic number, because the mean of its divisors is an integer number (172206124).

Almost surely, 2^344412247 is an apocalyptic number.

344412247 is a deficient number, since it is larger than the sum of its proper divisors (1).

344412247 is an equidigital number, since it uses as much as digits as its factorization.

344412247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 344412247 is about 18558.3470977348. The cubic root of 344412247 is about 700.9593967269.

The spelling of 344412247 in words is "three hundred forty-four million, four hundred twelve thousand, two hundred forty-seven".