344297609 has 2 divisors, whose sum is σ = 344297610. Its totient is φ = 344297608.

The previous prime is 344297581. The next prime is 344297621. The reversal of 344297609 is 906792443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196140025 + 148157584 = 14005^2 + 12172^2 .

It is a cyclic number.

It is not a de Polignac number, because 344297609 - 2⁸ = 344297353 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 344297609.

It is not a weakly prime, because it can be changed into another prime (344297669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172148804 + 172148805.

It is an arithmetic number, because the mean of its divisors is an integer number (172148805).

Almost surely, 2^344297609 is an apocalyptic number.

It is an amenable number.

344297609 is a deficient number, since it is larger than the sum of its proper divisors (1).

344297609 is an equidigital number, since it uses as much as digits as its factorization.

344297609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 344297609 is about 18555.2582574320. The cubic root of 344297609 is about 700.8816163912.

The spelling of 344297609 in words is "three hundred forty-four million, two hundred ninety-seven thousand, six hundred nine".