344134985 has 4 divisors (see below), whose sum is σ = 412961988. Its totient is φ = 275307984.

The previous prime is 344134979. The next prime is 344134997. The reversal of 344134985 is 589431443.

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 256768576 + 87366409 = 16024^2 + 9347^2 .

It is a cyclic number.

It is not a de Polignac number, because 344134985 - 2¹⁴ = 344118601 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, 34413494 + ... + 34413503.

It is an arithmetic number, because the mean of its divisors is an integer number (103240497).

Almost surely, 2^344134985 is an apocalyptic number.

It is an amenable number.

344134985 is a deficient number, since it is larger than the sum of its proper divisors (68827003).

344134985 is an equidigital number, since it uses as much as digits as its factorization.

344134985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68827002.

The product of its digits is 207360, while the sum is 41.

The square root of 344134985 is about 18550.8755858046. The cubic root of 344134985 is about 700.7712485783.

The spelling of 344134985 in words is "three hundred forty-four million, one hundred thirty-four thousand, nine hundred eighty-five".