426343309 has 8 divisors (see below), whose sum is σ = 487655168. Its totient is φ = 365132880.

The previous prime is 426343277. The next prime is 426343327. The reversal of 426343309 is 903343624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426343309 - 2⁵ = 426343277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426343349) 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 in 7 ways as a sum of consecutive naturals, for example, 16122 + ... + 33355.

It is an arithmetic number, because the mean of its divisors is an integer number (60956896).

Almost surely, 2^426343309 is an apocalyptic number.

It is an amenable number.

426343309 is a deficient number, since it is larger than the sum of its proper divisors (61311859).

426343309 is a wasteful number, since it uses less digits than its factorization.

426343309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 426343309 is about 20648.0824533418. The cubic root of 426343309 is about 752.6385930311.

The spelling of 426343309 in words is "four hundred twenty-six million, three hundred forty-three thousand, three hundred nine".