684282 has 16 divisors (see below), whose sum is σ = 1392480. Its totient is φ = 224112.

The previous prime is 684269. The next prime is 684287. The reversal of 684282 is 282486.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 684282.

It is not an unprimeable number, because it can be changed into a prime (684287) 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 7 ways as a sum of consecutive naturals, for example, 613 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (87030).

2⁶⁸⁴²⁸² is an apocalyptic number.

684282 is an abundant number, since it is smaller than the sum of its proper divisors (708198).

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

684282 is a wasteful number, since it uses less digits than its factorization.

684282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

The product of its digits is 6144, while the sum is 30.

The square root of 684282 is about 827.2133944757. The cubic root of 684282 is about 88.1207879884.

The spelling of 684282 in words is "six hundred eighty-four thousand, two hundred eighty-two".