343928 has 16 divisors (see below), whose sum is σ = 694680. Its totient is φ = 158688.

The previous prime is 343913. The next prime is 343933. The reversal of 343928 is 829343.

343928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 343928.

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 343928.

It is an unprimeable number.

343928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 1757.

2³⁴³⁹²⁸ is an apocalyptic number.

It is an amenable number.

343928 is an abundant number, since it is smaller than the sum of its proper divisors (350752).

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

343928 is a wasteful number, since it uses less digits than its factorization.

343928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3322 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 343928 is about 586.4537492420. The cubic root of 343928 is about 70.0630724042.

The spelling of 343928 in words is "three hundred forty-three thousand, nine hundred twenty-eight".