680862 has 64 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 169344.

The previous prime is 680861. The next prime is 680873. The reversal of 680862 is 268086.

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 680862.

It is not an unprimeable number, because it can be changed into a prime (680861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15813 + ... + 15855.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2⁶⁸⁰⁸⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887040).

680862 is an abundant number, since it is smaller than the sum of its proper divisors (1093218).

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

680862 is a wasteful number, since it uses less digits than its factorization.

680862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 680862 is about 825.1436238619. The cubic root of 680862 is about 87.9737352747.

The spelling of 680862 in words is "six hundred eighty thousand, eight hundred sixty-two".