426983 has 4 divisors (see below), whose sum is σ = 434280. Its totient is φ = 419688.

The previous prime is 426973. The next prime is 426997. The reversal of 426983 is 389624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426983 - 2⁶ = 426919 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (108570).

2⁴²⁶⁹⁸³ is an apocalyptic number.

426983 is a deficient number, since it is larger than the sum of its proper divisors (7297).

426983 is an equidigital number, since it uses as much as digits as its factorization.

426983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296.

The product of its digits is 10368, while the sum is 32.

The square root of 426983 is about 653.4393621446. The cubic root of 426983 is about 75.3014827809.

The spelling of 426983 in words is "four hundred twenty-six thousand, nine hundred eighty-three".