427982 has 16 divisors (see below), whose sum is σ = 682560. Its totient is φ = 200928.

The previous prime is 427969. The next prime is 427991. The reversal of 427982 is 289724.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2⁴²⁷⁹⁸² is an apocalyptic number.

427982 is a deficient number, since it is larger than the sum of its proper divisors (254578).

427982 is a wasteful number, since it uses less digits than its factorization.

427982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 8064, while the sum is 32.

The square root of 427982 is about 654.2033323058. The cubic root of 427982 is about 75.3601639534.

The spelling of 427982 in words is "four hundred twenty-seven thousand, nine hundred eighty-two".