344806673 has 4 divisors (see below), whose sum is σ = 345024180. Its totient is φ = 344589168.

The previous prime is 344806591. The next prime is 344806729. The reversal of 344806673 is 376608443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376608443 = 19 ⋅19821497.

It can be written as a sum of positive squares in 2 ways, for example, as 21418384 + 323388289 = 4628^2 + 17983^2 .

It is a cyclic number.

It is not a de Polignac number, because 344806673 - 2¹⁴ = 344790289 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 344806673.

It is not an unprimeable number, because it can be changed into a prime (344806873) 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, 106358 + ... + 109551.

It is an arithmetic number, because the mean of its divisors is an integer number (86256045).

Almost surely, 2^344806673 is an apocalyptic number.

It is an amenable number.

344806673 is a deficient number, since it is larger than the sum of its proper divisors (217507).

344806673 is a wasteful number, since it uses less digits than its factorization.

344806673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217506.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 344806673 is about 18568.9707038382. The cubic root of 344806673 is about 701.2268776685.

The spelling of 344806673 in words is "three hundred forty-four million, eight hundred six thousand, six hundred seventy-three".