343215424 has 28 divisors (see below), whose sum is σ = 681740064. Its totient is φ = 171438464.

The previous prime is 343215419. The next prime is 343215503. The reversal of 343215424 is 424512343.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 343215392 and 343215401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85527 + ... + 89449.

Almost surely, 2^343215424 is an apocalyptic number.

It is an amenable number.

343215424 is a deficient number, since it is larger than the sum of its proper divisors (338524640).

343215424 is a wasteful number, since it uses less digits than its factorization.

343215424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 5292 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 343215424 is about 18526.0741658885. The cubic root of 343215424 is about 700.1465162695.

Adding to 343215424 its reverse (424512343), we get a palindrome (767727767).

The spelling of 343215424 in words is "three hundred forty-three million, two hundred fifteen thousand, four hundred twenty-four".