426771943 has 16 divisors (see below), whose sum is σ = 469697536. Its totient is φ = 385378560.

The previous prime is 426771937. The next prime is 426771991. The reversal of 426771943 is 349177624.

It is a cyclic number.

It is not a de Polignac number, because 426771943 - 2¹³ = 426763751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426771943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426771913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118753 + ... + 122293.

It is an arithmetic number, because the mean of its divisors is an integer number (29356096).

Almost surely, 2^426771943 is an apocalyptic number.

426771943 is a deficient number, since it is larger than the sum of its proper divisors (42925593).

426771943 is a wasteful number, since it uses less digits than its factorization.

426771943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754.

The product of its digits is 254016, while the sum is 43.

The square root of 426771943 is about 20658.4593568833. The cubic root of 426771943 is about 752.8907360271.

The spelling of 426771943 in words is "four hundred twenty-six million, seven hundred seventy-one thousand, nine hundred forty-three".