344244557 has 2 divisors, whose sum is σ = 344244558. Its totient is φ = 344244556.

The previous prime is 344244493. The next prime is 344244581. The reversal of 344244557 is 755442443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261598276 + 82646281 = 16174^2 + 9091^2 .

It is a cyclic number.

It is not a de Polignac number, because 344244557 - 2⁶ = 344244493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344244557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344244157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172122278 + 172122279.

It is an arithmetic number, because the mean of its divisors is an integer number (172122279).

Almost surely, 2^344244557 is an apocalyptic number.

It is an amenable number.

344244557 is a deficient number, since it is larger than the sum of its proper divisors (1).

344244557 is an equidigital number, since it uses as much as digits as its factorization.

344244557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 38.

The square root of 344244557 is about 18553.8286345433. The cubic root of 344244557 is about 700.8456154814.

The spelling of 344244557 in words is "three hundred forty-four million, two hundred forty-four thousand, five hundred fifty-seven".