343837393 has 8 divisors (see below), whose sum is σ = 365149512. Its totient is φ = 322646016.

The previous prime is 343837391. The next prime is 343837421. The reversal of 343837393 is 393738343.

It can be written as a sum of positive squares in 4 ways, for example, as 120275089 + 223562304 = 10967^2 + 14952^2 .

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 343837393 - 2¹ = 343837391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343837391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24280 + ... + 35737.

It is an arithmetic number, because the mean of its divisors is an integer number (45643689).

Almost surely, 2^343837393 is an apocalyptic number.

It is an amenable number.

343837393 is a deficient number, since it is larger than the sum of its proper divisors (21312119).

343837393 is a wasteful number, since it uses less digits than its factorization.

343837393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60371.

The product of its digits is 489888, while the sum is 43.

The square root of 343837393 is about 18542.8528819057. The cubic root of 343837393 is about 700.5691921484.

The spelling of 343837393 in words is "three hundred forty-three million, eight hundred thirty-seven thousand, three hundred ninety-three".