680606 has 8 divisors (see below), whose sum is σ = 1035504. Its totient is φ = 335440.

The previous prime is 680597. The next prime is 680611. The reversal of 680606 is 606086.

680606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

680606 is a modest number, since divided by 606 gives 68 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (129438).

2⁶⁸⁰⁶⁰⁶ is an apocalyptic number.

680606 is a deficient number, since it is larger than the sum of its proper divisors (354898).

680606 is a wasteful number, since it uses less digits than its factorization.

680606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 680606 is about 824.9884847681. The cubic root of 680606 is about 87.9627080281.

It can be divided in two parts, 6 and 80606, that multiplied together give a triangular number (483636 = T₉₈₃).

The spelling of 680606 in words is "six hundred eighty thousand, six hundred six".