344434213 has 4 divisors (see below), whose sum is σ = 344796588. Its totient is φ = 344071840.

The previous prime is 344434193. The next prime is 344434219. The reversal of 344434213 is 312434443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312434443 = 13567 ⋅23029.

It can be written as a sum of positive squares in 2 ways, for example, as 241553764 + 102880449 = 15542^2 + 10143^2 .

It is a cyclic number.

It is not a de Polignac number, because 344434213 - 2²⁵ = 310879781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344434219) 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 in 3 ways as a sum of consecutive naturals, for example, 179758 + ... + 181663.

It is an arithmetic number, because the mean of its divisors is an integer number (86199147).

Almost surely, 2^344434213 is an apocalyptic number.

It is an amenable number.

344434213 is a deficient number, since it is larger than the sum of its proper divisors (362375).

344434213 is an equidigital number, since it uses as much as digits as its factorization.

344434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362374.

The product of its digits is 13824, while the sum is 28.

The square root of 344434213 is about 18558.9388974693. The cubic root of 344434213 is about 700.9742983909.

Adding to 344434213 its reverse (312434443), we get a palindrome (656868656).

The spelling of 344434213 in words is "three hundred forty-four million, four hundred thirty-four thousand, two hundred thirteen".