343485679 has 2 divisors, whose sum is σ = 343485680. Its totient is φ = 343485678.

The previous prime is 343485661. The next prime is 343485707. The reversal of 343485679 is 976584343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343485679 - 2¹⁹ = 342961391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343485479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171742839 + 171742840.

It is an arithmetic number, because the mean of its divisors is an integer number (171742840).

Almost surely, 2^343485679 is an apocalyptic number.

343485679 is a deficient number, since it is larger than the sum of its proper divisors (1).

343485679 is an equidigital number, since it uses as much as digits as its factorization.

343485679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The square root of 343485679 is about 18533.3666396583. The cubic root of 343485679 is about 700.3302380571.

The spelling of 343485679 in words is "three hundred forty-three million, four hundred eighty-five thousand, six hundred seventy-nine".