343403404 has 12 divisors (see below), whose sum is σ = 610808128. Its totient is φ = 168886800.

The previous prime is 343403393. The next prime is 343403407. The reversal of 343403404 is 404304343.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (343403407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703452 + ... + 703939.

Almost surely, 2^343403404 is an apocalyptic number.

It is an amenable number.

343403404 is a deficient number, since it is larger than the sum of its proper divisors (267404724).

343403404 is a wasteful number, since it uses less digits than its factorization.

343403404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407456 (or 1407454 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 343403404 is about 18531.1468614331. The cubic root of 343403404 is about 700.2743169760.

Adding to 343403404 its reverse (404304343), we get a palindrome (747707747).

The spelling of 343403404 in words is "three hundred forty-three million, four hundred three thousand, four hundred four".