343315439 has 2 divisors, whose sum is σ = 343315440. Its totient is φ = 343315438.

The previous prime is 343315429. The next prime is 343315523. The reversal of 343315439 is 934513343.

It is a weak prime.

It is an emirp because it is prime and its reverse (934513343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343315439 - 2¹² = 343311343 is a prime.

It is a Chen prime.

It is equal to p_18463517 and since 343315439 and 18463517 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 343315399 and 343315408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343315409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171657719 + 171657720.

It is an arithmetic number, because the mean of its divisors is an integer number (171657720).

Almost surely, 2^343315439 is an apocalyptic number.

343315439 is a deficient number, since it is larger than the sum of its proper divisors (1).

343315439 is an equidigital number, since it uses as much as digits as its factorization.

343315439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 35.

The square root of 343315439 is about 18528.7732729396. The cubic root of 343315439 is about 700.2145186067.

The spelling of 343315439 in words is "three hundred forty-three million, three hundred fifteen thousand, four hundred thirty-nine".