344312005 has 8 divisors (see below), whose sum is σ = 417186432. Its totient is φ = 272774928.

The previous prime is 344311997. The next prime is 344312027. The reversal of 344312005 is 500213443.

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

It is a cyclic number.

It is not a de Polignac number, because 344312005 - 2³ = 344311997 is a prime.

It is a Duffinian number.

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, 333769 + ... + 334798.

It is an arithmetic number, because the mean of its divisors is an integer number (52148304).

Almost surely, 2^344312005 is an apocalyptic number.

It is an amenable number.

344312005 is a deficient number, since it is larger than the sum of its proper divisors (72874427).

344312005 is a wasteful number, since it uses less digits than its factorization.

344312005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668675.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 344312005 is about 18555.6461757601. The cubic root of 344312005 is about 700.8913848308.

Adding to 344312005 its reverse (500213443), we get a palindrome (844525448).

The spelling of 344312005 in words is "three hundred forty-four million, three hundred twelve thousand, five".