343443605 has 8 divisors (see below), whose sum is σ = 436375512. Its totient is φ = 258592768.

The previous prime is 343443589. The next prime is 343443619. The reversal of 343443605 is 506344343.

It can be written as a sum of positive squares in 4 ways, for example, as 101143249 + 242300356 = 10057^2 + 15566^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 343443605 - 2⁴ = 343443589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020172 + ... + 2020341.

It is an arithmetic number, because the mean of its divisors is an integer number (54546939).

Almost surely, 2^343443605 is an apocalyptic number.

It is an amenable number.

343443605 is a deficient number, since it is larger than the sum of its proper divisors (92931907).

343443605 is a wasteful number, since it uses less digits than its factorization.

343443605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040535.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 343443605 is about 18532.2315170084. The cubic root of 343443605 is about 700.3016421074.

Adding to 343443605 its reverse (506344343), we get a palindrome (849787948).

The spelling of 343443605 in words is "three hundred forty-three million, four hundred forty-three thousand, six hundred five".