680502 has 8 divisors (see below), whose sum is σ = 1361016. Its totient is φ = 226832.

The previous prime is 680489. The next prime is 680503. The reversal of 680502 is 205086.

It is a happy number.

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

680502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56703 + ... + 56714.

It is an arithmetic number, because the mean of its divisors is an integer number (170127).

2⁶⁸⁰⁵⁰² is an apocalyptic number.

680502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680502 is a wasteful number, since it uses less digits than its factorization.

680502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113422.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 680502 is about 824.9254511773. The cubic root of 680502 is about 87.9582274194.

Adding to 680502 its reverse (205086), we get a palindrome (885588).

It can be divided in two parts, 6 and 80502, that added together give a palindrome (80508).

The spelling of 680502 in words is "six hundred eighty thousand, five hundred two".