426384855 has 48 divisors (see below), whose sum is σ = 817471200. Its totient is φ = 204228864.

The previous prime is 426384823. The next prime is 426384857. The reversal of 426384855 is 558483624.

426384855 is a `hidden beast` number, since 4 + 2 + 638 + 4 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 426384855 - 2⁵ = 426384823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 426384855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426384857) 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 47 ways as a sum of consecutive naturals, for example, 11796 + ... + 31494.

It is an arithmetic number, because the mean of its divisors is an integer number (17030650).

Almost surely, 2^426384855 is an apocalyptic number.

426384855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426384855 is a deficient number, since it is larger than the sum of its proper divisors (391086345).

426384855 is a wasteful number, since it uses less digits than its factorization.

426384855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19760 (or 19757 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 426384855 is about 20649.0884786714. The cubic root of 426384855 is about 752.6630397674.

The spelling of 426384855 in words is "four hundred twenty-six million, three hundred eighty-four thousand, eight hundred fifty-five".