686282 has 4 divisors (see below), whose sum is σ = 1029426. Its totient is φ = 343140.

The previous prime is 686269. The next prime is 686293. The reversal of 686282 is 282686.

It is a happy number.

686282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 657721 + 28561 = 811^2 + 169^2 .

It is a nialpdrome in base 7 and base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 686282.

It is an unprimeable number.

686282 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 as a sum of consecutive naturals, namely, 171569 + ... + 171572.

2⁶⁸⁶²⁸² is an apocalyptic number.

686282 is a deficient number, since it is larger than the sum of its proper divisors (343144).

686282 is a wasteful number, since it uses less digits than its factorization.

686282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343143.

The product of its digits is 9216, while the sum is 32.

The square root of 686282 is about 828.4213903564. The cubic root of 686282 is about 88.2065567941.

The spelling of 686282 in words is "six hundred eighty-six thousand, two hundred eighty-two".