343643039 has 2 divisors, whose sum is σ = 343643040. Its totient is φ = 343643038.

The previous prime is 343643033. The next prime is 343643059. The reversal of 343643039 is 930346343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343643039 - 2¹⁶ = 343577503 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343643033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171821519 + 171821520.

It is an arithmetic number, because the mean of its divisors is an integer number (171821520).

Almost surely, 2^343643039 is an apocalyptic number.

343643039 is a deficient number, since it is larger than the sum of its proper divisors (1).

343643039 is an equidigital number, since it uses as much as digits as its factorization.

343643039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 35.

The square root of 343643039 is about 18537.6114696581. The cubic root of 343643039 is about 700.4371684166.

The spelling of 343643039 in words is "three hundred forty-three million, six hundred forty-three thousand, thirty-nine".