343426699 has 16 divisors (see below), whose sum is σ = 431018496. Its totient is φ = 265824000.

The previous prime is 343426661. The next prime is 343426723. The reversal of 343426699 is 996624343.

It is a cyclic number.

It is not a de Polignac number, because 343426699 - 2¹³ = 343418507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343426199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 26395.

It is an arithmetic number, because the mean of its divisors is an integer number (26938656).

Almost surely, 2^343426699 is an apocalyptic number.

343426699 is a deficient number, since it is larger than the sum of its proper divisors (87591797).

343426699 is a wasteful number, since it uses less digits than its factorization.

343426699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29706.

The product of its digits is 839808, while the sum is 46.

The square root of 343426699 is about 18531.7753871560. The cubic root of 343426699 is about 700.2901511438.

It can be divided in two parts, 34342 and 6699, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 343426699 in words is "three hundred forty-three million, four hundred twenty-six thousand, six hundred ninety-nine".