680602 has 8 divisors (see below), whose sum is σ = 1099476. Its totient is φ = 314112.

The previous prime is 680597. The next prime is 680611. The reversal of 680602 is 206086.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 6561 = 821^2 + 81^2 .

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

It is an unprimeable number.

680602 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 3 ways as a sum of consecutive naturals, for example, 13063 + ... + 13114.

2⁶⁸⁰⁶⁰² is an apocalyptic number.

680602 is a deficient number, since it is larger than the sum of its proper divisors (418874).

680602 is a wasteful number, since it uses less digits than its factorization.

680602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26192.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 680602 is about 824.9860604883. The cubic root of 680602 is about 87.9625357055.

Adding to 680602 its reverse (206086), we get a palindrome (886688).

It can be divided in two parts, 6 and 80602, that added together give a palindrome (80608).

The spelling of 680602 in words is "six hundred eighty thousand, six hundred two".