343443 has 8 divisors (see below), whose sum is σ = 460800. Its totient is φ = 227528.

The previous prime is 343433. The next prime is 343481. The reversal of 343443 is 344343.

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

It is not a de Polignac number, because 343443 - 2⁵ = 343411 is a prime.

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

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 7 ways as a sum of consecutive naturals, for example, 478 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (57600).

2³⁴³⁴⁴³ is an apocalyptic number.

343443 is a deficient number, since it is larger than the sum of its proper divisors (117357).

343443 is a wasteful number, since it uses less digits than its factorization.

343443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 1728, while the sum is 21.

The square root of 343443 is about 586.0401010170. The cubic root of 343443 is about 70.0301230897.

Adding to 343443 its reverse (344343), we get a palindrome (687786).

Subtracting 343443 from its reverse (344343), we obtain a square (900 = 30²).

The spelling of 343443 in words is "three hundred forty-three thousand, four hundred forty-three", and thus it is an iban number.