344216516 has 12 divisors (see below), whose sum is σ = 688433088. Its totient is φ = 147521352.

The previous prime is 344216497. The next prime is 344216533. The reversal of 344216516 is 615612443.

344216516 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146696 + ... + 6146751.

It is an arithmetic number, because the mean of its divisors is an integer number (57369424).

Almost surely, 2^344216516 is an apocalyptic number.

It is an amenable number.

344216516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344216516 is a wasteful number, since it uses less digits than its factorization.

344216516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293458 (or 12293456 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 344216516 is about 18553.0729530178. The cubic root of 344216516 is about 700.8265854584.

Adding to 344216516 its reverse (615612443), we get a palindrome (959828959).

The spelling of 344216516 in words is "three hundred forty-four million, two hundred sixteen thousand, five hundred sixteen".