680006 has 8 divisors (see below), whose sum is σ = 1030224. Its totient is φ = 336600.

The previous prime is 680003. The next prime is 680027. The reversal of 680006 is 600086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 680006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (128778).

2⁶⁸⁰⁰⁰⁶ is an apocalyptic number.

680006 is a deficient number, since it is larger than the sum of its proper divisors (350218).

680006 is a wasteful number, since it uses less digits than its factorization.

680006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 680006 is about 824.6247631499. The cubic root of 680006 is about 87.9368520794.

The spelling of 680006 in words is "six hundred eighty thousand, six".