343358993 has 2 divisors, whose sum is σ = 343358994. Its totient is φ = 343358992.

The previous prime is 343358989. The next prime is 343359031. The reversal of 343358993 is 399853343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337346689 + 6012304 = 18367^2 + 2452^2 .

It is a cyclic number.

It is not a de Polignac number, because 343358993 - 2² = 343358989 is a prime.

It is not a weakly prime, because it can be changed into another prime (343358903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171679496 + 171679497.

It is an arithmetic number, because the mean of its divisors is an integer number (171679497).

Almost surely, 2^343358993 is an apocalyptic number.

It is an amenable number.

343358993 is a deficient number, since it is larger than the sum of its proper divisors (1).

343358993 is an equidigital number, since it uses as much as digits as its factorization.

343358993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 47.

The square root of 343358993 is about 18529.9485428320. The cubic root of 343358993 is about 700.2441277747.

It can be divided in two parts, 3433 and 58993, that added together give a palindrome (62426).

The spelling of 343358993 in words is "three hundred forty-three million, three hundred fifty-eight thousand, nine hundred ninety-three".