426726859 has 6 divisors (see below), whose sum is σ = 462077196. Its totient is φ = 393901560.

The previous prime is 426726847. The next prime is 426726869. The reversal of 426726859 is 958627624.

It is not a de Polignac number, because 426726859 - 2⁹ = 426726347 is a prime.

It is a super-3 number, since 3×426726859³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426726869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262337 + ... + 1262674.

It is an arithmetic number, because the mean of its divisors is an integer number (77012866).

Almost surely, 2^426726859 is an apocalyptic number.

426726859 is a deficient number, since it is larger than the sum of its proper divisors (35350337).

426726859 is a wasteful number, since it uses less digits than its factorization.

426726859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525037 (or 2525024 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 426726859 is about 20657.3681527924. The cubic root of 426726859 is about 752.8642234116.

The spelling of 426726859 in words is "four hundred twenty-six million, seven hundred twenty-six thousand, eight hundred fifty-nine".