343799 has 2 divisors, whose sum is σ = 343800. Its totient is φ = 343798.

The previous prime is 343787. The next prime is 343801. The reversal of 343799 is 997343.

It is a strong prime.

It is an emirp because it is prime and its reverse (997343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343799 - 2⁸ = 343543 is a prime.

Together with 343801, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 7 + 3⁹ + 9³ + 9⁵ .

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171899 + 171900.

It is an arithmetic number, because the mean of its divisors is an integer number (171900).

2³⁴³⁷⁹⁹ is an apocalyptic number.

343799 is a deficient number, since it is larger than the sum of its proper divisors (1).

343799 is an equidigital number, since it uses as much as digits as its factorization.

343799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 343799 is about 586.3437558293. The cubic root of 343799 is about 70.0543115913.

The spelling of 343799 in words is "three hundred forty-three thousand, seven hundred ninety-nine".