343354439 has 2 divisors, whose sum is σ = 343354440. Its totient is φ = 343354438.

The previous prime is 343354433. The next prime is 343354477. The reversal of 343354439 is 934453343.

It is a happy number.

It is an a-pointer prime, because the next prime (343354477) can be obtained adding 343354439 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343354439 is a prime.

It is equal to p_18465455 and since 343354439 and 18465455 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343354433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171677219 + 171677220.

It is an arithmetic number, because the mean of its divisors is an integer number (171677220).

Almost surely, 2^343354439 is an apocalyptic number.

343354439 is a deficient number, since it is larger than the sum of its proper divisors (1).

343354439 is an equidigital number, since it uses as much as digits as its factorization.

343354439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 38.

The square root of 343354439 is about 18529.8256602700. The cubic root of 343354439 is about 700.2410319616.

The spelling of 343354439 in words is "three hundred forty-three million, three hundred fifty-four thousand, four hundred thirty-nine".