343426566 has 16 divisors (see below), whose sum is σ = 784975104. Its totient is φ = 98121864.

The previous prime is 343426561. The next prime is 343426579. The reversal of 343426566 is 665624343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343426561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088370 + ... + 4088453.

It is an arithmetic number, because the mean of its divisors is an integer number (49060944).

Almost surely, 2^343426566 is an apocalyptic number.

343426566 is an abundant number, since it is smaller than the sum of its proper divisors (441548538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343426566 is a wasteful number, since it uses less digits than its factorization.

343426566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176835.

The product of its digits is 311040, while the sum is 39.

The square root of 343426566 is about 18531.7717987245. The cubic root of 343426566 is about 700.2900607426.

The spelling of 343426566 in words is "three hundred forty-three million, four hundred twenty-six thousand, five hundred sixty-six".