344042837 has 2 divisors, whose sum is σ = 344042838. Its totient is φ = 344042836.

The previous prime is 344042827. The next prime is 344042843. The reversal of 344042837 is 738240443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342768196 + 1274641 = 18514^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 344042837 - 2⁸ = 344042581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344042797 and 344042806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344042807) 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, 172021418 + 172021419.

It is an arithmetic number, because the mean of its divisors is an integer number (172021419).

Almost surely, 2^344042837 is an apocalyptic number.

It is an amenable number.

344042837 is a deficient number, since it is larger than the sum of its proper divisors (1).

344042837 is an equidigital number, since it uses as much as digits as its factorization.

344042837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 344042837 is about 18548.3917631691. The cubic root of 344042837 is about 700.7086951847.

The spelling of 344042837 in words is "three hundred forty-four million, forty-two thousand, eight hundred thirty-seven".