343424 has 16 divisors (see below), whose sum is σ = 684420. Its totient is φ = 171648.

The previous prime is 343423. The next prime is 343433. The reversal of 343424 is 424343.

It is a happy number.

343424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 343396 and 343405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343424.

It is not an unprimeable number, because it can be changed into a prime (343423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214 + ... + 1469.

2³⁴³⁴²⁴ is an apocalyptic number.

It is an amenable number.

343424 is a deficient number, since it is larger than the sum of its proper divisors (340996).

343424 is an equidigital number, since it uses as much as digits as its factorization.

343424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2685 counting only the distinct ones).

The product of its digits is 1152, while the sum is 20.

The square root of 343424 is about 586.0238902980. The cubic root of 343424 is about 70.0288316606.

Adding to 343424 its reverse (424343), we get a palindrome (767767).

It can be divided in two parts, 343 and 424, that added together give a palindrome (767).

The spelling of 343424 in words is "three hundred forty-three thousand, four hundred twenty-four", and thus it is an iban number.