426983256 has 144 divisors (see below), whose sum is σ = 1381994640. Its totient is φ = 118661760.

The previous prime is 426983239. The next prime is 426983267. The reversal of 426983256 is 652389624.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 128901 + ... + 132171.

It is an arithmetic number, because the mean of its divisors is an integer number (9597185).

Almost surely, 2^426983256 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 426983256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690997320).

426983256 is an abundant number, since it is smaller than the sum of its proper divisors (955011384).

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

426983256 is a wasteful number, since it uses less digits than its factorization.

426983256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3320 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 426983256 is about 20663.5731663234. The cubic root of 426983256 is about 753.0149783003.

It can be divided in two parts, 42698 and 3256, that added together give a palindrome (45954).

The spelling of 426983256 in words is "four hundred twenty-six million, nine hundred eighty-three thousand, two hundred fifty-six".