426984 has 16 divisors (see below), whose sum is σ = 1067520. Its totient is φ = 142320.

The previous prime is 426973. The next prime is 426997. The reversal of 426984 is 489624.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426984.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8872 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (66720).

2⁴²⁶⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

426984 is an abundant number, since it is smaller than the sum of its proper divisors (640536).

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

426984 is a wasteful number, since it uses less digits than its factorization.

426984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800 (or 17796 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 426984 is about 653.4401273261. The cubic root of 426984 is about 75.3015415665.

The spelling of 426984 in words is "four hundred twenty-six thousand, nine hundred eighty-four".