343406443 has 16 divisors (see below), whose sum is σ = 370085760. Its totient is φ = 317491200.

The previous prime is 343406419. The next prime is 343406473. The reversal of 343406443 is 344604343.

It is a cyclic number.

It is not a de Polignac number, because 343406443 - 2²¹ = 341309291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343406473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323133 + ... + 324193.

It is an arithmetic number, because the mean of its divisors is an integer number (23130360).

Almost surely, 2^343406443 is an apocalyptic number.

343406443 is a deficient number, since it is larger than the sum of its proper divisors (26679317).

343406443 is a wasteful number, since it uses less digits than its factorization.

343406443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 41472, while the sum is 31.

The square root of 343406443 is about 18531.2288583353. The cubic root of 343406443 is about 700.2763826975.

The spelling of 343406443 in words is "three hundred forty-three million, four hundred six thousand, four hundred forty-three".