343878344 has 16 divisors (see below), whose sum is σ = 645621900. Its totient is φ = 171712512.

The previous prime is 343878343. The next prime is 343878349. The reversal of 343878344 is 443878343.

It can be written as a sum of positive squares in 2 ways, for example, as 343657444 + 220900 = 18538^2 + 470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343878295 and 343878304.

It is not an unprimeable number, because it can be changed into a prime (343878341) 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, 21797 + ... + 34100.

Almost surely, 2^343878344 is an apocalyptic number.

It is an amenable number.

343878344 is a deficient number, since it is larger than the sum of its proper divisors (301743556).

343878344 is a wasteful number, since it uses less digits than its factorization.

343878344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56672 (or 56668 counting only the distinct ones).

The product of its digits is 774144, while the sum is 44.

The square root of 343878344 is about 18543.9570750150. The cubic root of 343878344 is about 700.5970036185.

Subtracting 343878344 from its reverse (443878343), we obtain a palindrome (99999999).

The spelling of 343878344 in words is "three hundred forty-three million, eight hundred seventy-eight thousand, three hundred forty-four".