343769 has 2 divisors, whose sum is σ = 343770.
Its totient is φ = 343768.
The previous prime is 343727. The next prime is 343771. The reversal of 343769 is 967343.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 238144 + 105625 = 488^2 + 325^2
It is a cyclic number.
It is not a de Polignac number, because 343769 - 212 = 339673 is a prime.
It is a super-2 number, since 2×3437692 = 236354250722, which contains 22 as substring.
Together with 343771, it forms a pair of twin primes.
It is a Chen prime.
It is a plaindrome in base 15.
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, 171884 + 171885.
It is an arithmetic number, because the mean of its divisors is an integer number (171885).
2343769 is an apocalyptic number.
It is an amenable number.
343769 is a deficient number, since it is larger than the sum of its proper divisors (1).
343769 is an equidigital number, since it uses as much as digits as its factorization.
343769 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13608, while the sum is 32.
The square root of 343769 is about 586.3181730085.
The cubic root of 343769 is about 70.0522738789.
The spelling of 343769 in words is "three hundred forty-three thousand, seven hundred sixty-nine".