343344340 has 24 divisors (see below), whose sum is σ = 745887240. Its totient is φ = 132601728.

The previous prime is 343344329. The next prime is 343344347. The reversal of 343344340 is 43443343.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84713616 + 258630724 = 9204^2 + 16082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343344299 and 343344308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343344347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295407 + ... + 296566.

It is an arithmetic number, because the mean of its divisors is an integer number (31078635).

Almost surely, 2^343344340 is an apocalyptic number.

It is an amenable number.

343344340 is an abundant number, since it is smaller than the sum of its proper divisors (402542900).

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

343344340 is a wasteful number, since it uses less digits than its factorization.

343344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592011 (or 592009 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 343344340 is about 18529.5531516548. The cubic root of 343344340 is about 700.2341665550.

Adding to 343344340 its reverse (43443343), we get a palindrome (386787683).

The spelling of 343344340 in words is "three hundred forty-three million, three hundred forty-four thousand, three hundred forty".