426957588 has 144 divisors (see below), whose sum is σ = 1198229760. Its totient is φ = 131393664.

The previous prime is 426957581. The next prime is 426957589. The reversal of 426957588 is 885759624.

426957588 is a `hidden beast` number, since 4 + 2 + 6 + 9 + 57 + 588 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426957581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1832320 + ... + 1832552.

It is an arithmetic number, because the mean of its divisors is an integer number (8321040).

Almost surely, 2^426957588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426957588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599114880).

426957588 is an abundant number, since it is smaller than the sum of its proper divisors (771272172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426957588 is a wasteful number, since it uses less digits than its factorization.

426957588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 304 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 426957588 is about 20662.9520640203. The cubic root of 426957588 is about 752.9998888906. Note that the first 3 decimals are identical.

The spelling of 426957588 in words is "four hundred twenty-six million, nine hundred fifty-seven thousand, five hundred eighty-eight".