344447849 has 2 divisors, whose sum is σ = 344447850. Its totient is φ = 344447848.

The previous prime is 344447813. The next prime is 344447867. The reversal of 344447849 is 948744443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281165824 + 63282025 = 16768^2 + 7955^2 .

It is an emirp because it is prime and its reverse (948744443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344447849 - 2¹² = 344443753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (344447809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172223924 + 172223925.

It is an arithmetic number, because the mean of its divisors is an integer number (172223925).

Almost surely, 2^344447849 is an apocalyptic number.

It is an amenable number.

344447849 is a deficient number, since it is larger than the sum of its proper divisors (1).

344447849 is an equidigital number, since it uses as much as digits as its factorization.

344447849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 47.

The square root of 344447849 is about 18559.3062639744. The cubic root of 344447849 is about 700.9835486909.

The spelling of 344447849 in words is "three hundred forty-four million, four hundred forty-seven thousand, eight hundred forty-nine".