680601 has 8 divisors (see below), whose sum is σ = 938880. Its totient is φ = 438032.

The previous prime is 680597. The next prime is 680611. The reversal of 680601 is 106086.

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

It is a cyclic number.

It is not a de Polignac number, because 680601 - 2² = 680597 is a prime.

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 680601.

It is not an unprimeable number, because it can be changed into a prime (680611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (117360).

2⁶⁸⁰⁶⁰¹ is an apocalyptic number.

It is an amenable number.

680601 is a deficient number, since it is larger than the sum of its proper divisors (258279).

680601 is a wasteful number, since it uses less digits than its factorization.

680601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 680601 is about 824.9854544172. The cubic root of 680601 is about 87.9624926247.

Adding to 680601 its reverse (106086), we get a palindrome (786687).

The spelling of 680601 in words is "six hundred eighty thousand, six hundred one".