684082 has 16 divisors (see below), whose sum is σ = 1184832. Its totient is φ = 290160.

The previous prime is 684053. The next prime is 684091. The reversal of 684082 is 280486.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 684082.

It is an unprimeable number.

684082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (74052).

2⁶⁸⁴⁰⁸² is an apocalyptic number.

684082 is a deficient number, since it is larger than the sum of its proper divisors (500750).

684082 is a wasteful number, since it uses less digits than its factorization.

684082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 684082 is about 827.0924978501. The cubic root of 684082 is about 88.1122019206.

The spelling of 684082 in words is "six hundred eighty-four thousand, eighty-two".