343396443 has 64 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 191600640.

The previous prime is 343396441. The next prime is 343396477. The reversal of 343396443 is 344693343.

It is not a de Polignac number, because 343396443 - 2¹ = 343396441 is a prime.

It is a super-2 number, since 2×343396443² = 235842234130104498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (343396441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2703846 + ... + 2703972.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^343396443 is an apocalyptic number.

343396443 is a deficient number, since it is larger than the sum of its proper divisors (198504357).

343396443 is a wasteful number, since it uses less digits than its factorization.

343396443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 279936, while the sum is 39.

The square root of 343396443 is about 18530.9590415607. The cubic root of 343396443 is about 700.2695852791.

The spelling of 343396443 in words is "three hundred forty-three million, three hundred ninety-six thousand, four hundred forty-three".