343440424 has 32 divisors (see below), whose sum is σ = 659019240. Its totient is φ = 167731200.

The previous prime is 343440373. The next prime is 343440437. The reversal of 343440424 is 424044343.

It can be written as a sum of positive squares in 4 ways, for example, as 343360900 + 79524 = 18530^2 + 282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343440392 and 343440401.

It is an unprimeable number.

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, 100504 + ... + 103864.

Almost surely, 2^343440424 is an apocalyptic number.

It is an amenable number.

343440424 is a deficient number, since it is larger than the sum of its proper divisors (315578816).

343440424 is a wasteful number, since it uses less digits than its factorization.

343440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 343440424 is about 18532.1456933621. The cubic root of 343440424 is about 700.2994800189.

Adding to 343440424 its reverse (424044343), we get a palindrome (767484767).

The spelling of 343440424 in words is "three hundred forty-three million, four hundred forty thousand, four hundred twenty-four".