426816239 has 8 divisors (see below), whose sum is σ = 431500608. Its totient is φ = 422154880.

The previous prime is 426816217. The next prime is 426816251. The reversal of 426816239 is 932618624.

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

It is a cyclic number.

It is not a de Polignac number, because 426816239 - 2²⁴ = 410039023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426816196 and 426816205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426810239) 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, 32954 + ... + 44040.

It is an arithmetic number, because the mean of its divisors is an integer number (53937576).

Almost surely, 2^426816239 is an apocalyptic number.

426816239 is a deficient number, since it is larger than the sum of its proper divisors (4684369).

426816239 is a wasteful number, since it uses less digits than its factorization.

426816239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505.

The product of its digits is 124416, while the sum is 41.

The square root of 426816239 is about 20659.5314322470. The cubic root of 426816239 is about 752.9167834238.

The spelling of 426816239 in words is "four hundred twenty-six million, eight hundred sixteen thousand, two hundred thirty-nine".