343393 has 2 divisors, whose sum is σ = 343394. Its totient is φ = 343392.

The previous prime is 343391. The next prime is 343411. The reversal of 343393 is 393343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 21904 = 567^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 343393 - 2¹ = 343391 is a prime.

Together with 343391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (343391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171696 + 171697.

It is an arithmetic number, because the mean of its divisors is an integer number (171697).

2³⁴³³⁹³ is an apocalyptic number.

It is an amenable number.

343393 is a deficient number, since it is larger than the sum of its proper divisors (1).

343393 is an equidigital number, since it uses as much as digits as its factorization.

343393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 25.

The square root of 343393 is about 585.9974402674. The cubic root of 343393 is about 70.0267244897.

The spelling of 343393 in words is "three hundred forty-three thousand, three hundred ninety-three".