344405316 has 12 divisors (see below), whose sum is σ = 803612432. Its totient is φ = 114801768.

The previous prime is 344405293. The next prime is 344405317. The reversal of 344405316 is 613504443.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (344405317) 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, 14350210 + ... + 14350233.

Almost surely, 2^344405316 is an apocalyptic number.

It is an amenable number.

344405316 is an abundant number, since it is smaller than the sum of its proper divisors (459207116).

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

344405316 is a wasteful number, since it uses less digits than its factorization.

344405316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28700450 (or 28700448 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 344405316 is about 18558.1603614151. The cubic root of 344405316 is about 700.9546946272.

Adding to 344405316 its reverse (613504443), we get a palindrome (957909759).

The spelling of 344405316 in words is "three hundred forty-four million, four hundred five thousand, three hundred sixteen".