426881 has 8 divisors (see below), whose sum is σ = 525504. Its totient is φ = 337680.

The previous prime is 426871. The next prime is 426889. The reversal of 426881 is 188624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426881 - 2¹⁰ = 425857 is a prime.

It is a super-3 number, since 3×426881³ = 233368229056667523, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426889) 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 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (65688).

2⁴²⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

426881 is a deficient number, since it is larger than the sum of its proper divisors (98623).

426881 is a wasteful number, since it uses less digits than its factorization.

426881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its digits is 3072, while the sum is 29.

The square root of 426881 is about 653.3613089249. The cubic root of 426881 is about 75.2954861620.

The spelling of 426881 in words is "four hundred twenty-six thousand, eight hundred eighty-one".