344005 has 8 divisors (see below), whose sum is σ = 417312. Its totient is φ = 272208.

The previous prime is 343997. The next prime is 344017. The reversal of 344005 is 500443.

344005 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344005 - 2³ = 343997 is a prime.

It is a Duffinian number.

344005 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 344005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (52164).

2³⁴⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

344005 is a deficient number, since it is larger than the sum of its proper divisors (73307).

344005 is a wasteful number, since it uses less digits than its factorization.

344005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 344005 is about 586.5193943937. The cubic root of 344005 is about 70.0683006826.

Adding to 344005 its reverse (500443), we get a palindrome (844448).

The spelling of 344005 in words is "three hundred forty-four thousand, five".