344234665 has 4 divisors (see below), whose sum is σ = 413081604. Its totient is φ = 275387728.

The previous prime is 344234663. The next prime is 344234701. The reversal of 344234665 is 566432443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566432443 = 653 ⋅867431.

It can be written as a sum of positive squares in 2 ways, for example, as 272646144 + 71588521 = 16512^2 + 8461^2 .

It is a cyclic number.

It is not a de Polignac number, because 344234665 - 2¹ = 344234663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344234663) 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, 34423462 + ... + 34423471.

It is an arithmetic number, because the mean of its divisors is an integer number (103270401).

Almost surely, 2^344234665 is an apocalyptic number.

It is an amenable number.

344234665 is a deficient number, since it is larger than the sum of its proper divisors (68846939).

344234665 is an equidigital number, since it uses as much as digits as its factorization.

344234665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68846938.

The product of its digits is 207360, while the sum is 37.

The square root of 344234665 is about 18553.5620569205. The cubic root of 344234665 is about 700.8389023942.

The spelling of 344234665 in words is "three hundred forty-four million, two hundred thirty-four thousand, six hundred sixty-five".