343404346 has 8 divisors (see below), whose sum is σ = 522794880. Its totient is φ = 169139388.

The previous prime is 343404287. The next prime is 343404349. The reversal of 343404346 is 643404343.

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

It is not an unprimeable number, because it can be changed into a prime (343404349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281226 + ... + 1281493.

It is an arithmetic number, because the mean of its divisors is an integer number (65349360).

Almost surely, 2^343404346 is an apocalyptic number.

343404346 is a deficient number, since it is larger than the sum of its proper divisors (179390534).

343404346 is a wasteful number, since it uses less digits than its factorization.

343404346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562788.

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

The square root of 343404346 is about 18531.1722780832. The cubic root of 343404346 is about 700.2749572898.

Adding to 343404346 its reverse (643404343), we get a palindrome (986808689).

The spelling of 343404346 in words is "three hundred forty-three million, four hundred four thousand, three hundred forty-six".