344004305 has 4 divisors (see below), whose sum is σ = 412805172. Its totient is φ = 275203440.

The previous prime is 344004259. The next prime is 344004337. The reversal of 344004305 is 503400443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242861056 + 101143249 = 15584^2 + 10057^2 .

It is not a de Polignac number, because 344004305 - 2⁸ = 344004049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 34400426 + ... + 34400435.

It is an arithmetic number, because the mean of its divisors is an integer number (103201293).

Almost surely, 2^344004305 is an apocalyptic number.

It is an amenable number.

344004305 is a deficient number, since it is larger than the sum of its proper divisors (68800867).

344004305 is an equidigital number, since it uses as much as digits as its factorization.

344004305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68800866.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 344004305 is about 18547.3530456505. The cubic root of 344004305 is about 700.6825349583.

Adding to 344004305 its reverse (503400443), we get a palindrome (847404748).

The spelling of 344004305 in words is "three hundred forty-four million, four thousand, three hundred five".