344445811 has 4 divisors (see below), whose sum is σ = 346960152. Its totient is φ = 341931472.

The previous prime is 344445791. The next prime is 344445817. The reversal of 344445811 is 118544443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118544443 = 9421 ⋅12583.

It is a cyclic number.

It is not a de Polignac number, because 344445811 - 2¹¹ = 344443763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344445817) 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, 1256965 + ... + 1257238.

It is an arithmetic number, because the mean of its divisors is an integer number (86740038).

Almost surely, 2^344445811 is an apocalyptic number.

344445811 is a deficient number, since it is larger than the sum of its proper divisors (2514341).

344445811 is a wasteful number, since it uses less digits than its factorization.

344445811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514340.

The product of its digits is 30720, while the sum is 34.

The square root of 344445811 is about 18559.2513588237. The cubic root of 344445811 is about 700.9821661814.

The spelling of 344445811 in words is "three hundred forty-four million, four hundred forty-five thousand, eight hundred eleven".