428982 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 131040.

The previous prime is 428977. The next prime is 429007. The reversal of 428982 is 289824.

It is a congruent number.

It is an unprimeable number.

428982 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 15 ways as a sum of consecutive naturals, for example, 6007 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2⁴²⁸⁹⁸² is an apocalyptic number.

428982 is an abundant number, since it is smaller than the sum of its proper divisors (504138).

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

428982 is a wasteful number, since it uses less digits than its factorization.

428982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its digits is 9216, while the sum is 33.

The square root of 428982 is about 654.9671747500. The cubic root of 428982 is about 75.4188124837.

It can be divided in two parts, 4289 and 82, that added together give a triangular number (4371 = T₉₃).

The spelling of 428982 in words is "four hundred twenty-eight thousand, nine hundred eighty-two".