343703 has 8 divisors (see below), whose sum is σ = 359856. Its totient is φ = 328000.

The previous prime is 343687. The next prime is 343709. The reversal of 343703 is 307343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343703 - 2⁴ = 343687 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 343703.

It is not an unprimeable number, because it can be changed into a prime (343709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (44982).

2³⁴³⁷⁰³ is an apocalyptic number.

343703 is a deficient number, since it is larger than the sum of its proper divisors (16153).

343703 is a wasteful number, since it uses less digits than its factorization.

343703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 343703 is about 586.2618868731. The cubic root of 343703 is about 70.0477904942.

The spelling of 343703 in words is "three hundred forty-three thousand, seven hundred three", and thus it is an iban number.