344684313 has 12 divisors (see below), whose sum is σ = 506316720. Its totient is φ = 225894456.

The previous prime is 344684311. The next prime is 344684357. The reversal of 344684313 is 313486443.

It is a happy number.

It is not a de Polignac number, because 344684313 - 2¹ = 344684311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344684311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324031 + ... + 325092.

It is an arithmetic number, because the mean of its divisors is an integer number (42193060).

Almost surely, 2^344684313 is an apocalyptic number.

It is an amenable number.

344684313 is a deficient number, since it is larger than the sum of its proper divisors (161632407).

344684313 is a wasteful number, since it uses less digits than its factorization.

344684313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649188 (or 649185 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 344684313 is about 18565.6756677477. The cubic root of 344684313 is about 701.1439207743.

It can be divided in two parts, 34468 and 4313, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 344684313 in words is "three hundred forty-four million, six hundred eighty-four thousand, three hundred thirteen".