343664434 has 8 divisors (see below), whose sum is σ = 519205680. Its totient is φ = 170595876.

The previous prime is 343664417. The next prime is 343664441. The reversal of 343664434 is 434466343.

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

It is a junction number, because it is equal to n+sod(n) for n = 343664393 and 343664402.

It is an unprimeable number.

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, 617824 + ... + 618379.

It is an arithmetic number, because the mean of its divisors is an integer number (64900710).

Almost surely, 2^343664434 is an apocalyptic number.

343664434 is a deficient number, since it is larger than the sum of its proper divisors (175541246).

343664434 is a wasteful number, since it uses less digits than its factorization.

343664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236344.

The product of its digits is 248832, while the sum is 37.

The square root of 343664434 is about 18538.1885307060. The cubic root of 343664434 is about 700.4517043745.

The spelling of 343664434 in words is "three hundred forty-three million, six hundred sixty-four thousand, four hundred thirty-four".