344270813 has 4 divisors (see below), whose sum is σ = 344391360. Its totient is φ = 344150268.

The previous prime is 344270777. The next prime is 344270827. The reversal of 344270813 is 318072443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 344270813 - 2¹⁸ = 344008669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344270813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344270863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55883 + ... + 61736.

It is an arithmetic number, because the mean of its divisors is an integer number (86097840).

Almost surely, 2^344270813 is an apocalyptic number.

It is an amenable number.

344270813 is a deficient number, since it is larger than the sum of its proper divisors (120547).

344270813 is a wasteful number, since it uses less digits than its factorization.

344270813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120546.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 344270813 is about 18554.5361839093. The cubic root of 344270813 is about 700.8634331775.

The spelling of 344270813 in words is "three hundred forty-four million, two hundred seventy thousand, eight hundred thirteen".