426256 has 10 divisors (see below), whose sum is σ = 825902. Its totient is φ = 213120.

The previous prime is 426253. The next prime is 426287. The reversal of 426256 is 652624.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 160000 = 516^2 + 400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 426256.

It is not an unprimeable number, because it can be changed into a prime (426253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13305 + ... + 13336.

2⁴²⁶²⁵⁶ is an apocalyptic number.

It is an amenable number.

426256 is a deficient number, since it is larger than the sum of its proper divisors (399646).

426256 is a wasteful number, since it uses less digits than its factorization.

426256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26649 (or 26643 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 426256 is about 652.8828378813. The cubic root of 426256 is about 75.2587212991.

The spelling of 426256 in words is "four hundred twenty-six thousand, two hundred fifty-six".