426776 has 16 divisors (see below), whose sum is σ = 914640. Its totient is φ = 182880.

The previous prime is 426773. The next prime is 426779. The reversal of 426776 is 677624.

It is a happy number.

426776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (426773) and next prime (426779).

It is a d-powerful number, because it can be written as 4⁶ + 2⁹ + 7⁵ + 6⁵ + 7⁶ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (57165).

2⁴²⁶⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

426776 is an abundant number, since it is smaller than the sum of its proper divisors (487864).

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

426776 is a wasteful number, since it uses less digits than its factorization.

426776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7630 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 426776 is about 653.2809502810. The cubic root of 426776 is about 75.2893121742.

The spelling of 426776 in words is "four hundred twenty-six thousand, seven hundred seventy-six".