680358 has 32 divisors (see below), whose sum is σ = 1580544. Its totient is φ = 191232.

The previous prime is 680353. The next prime is 680377. The reversal of 680358 is 853086.

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 680358.

It is not an unprimeable number, because it can be changed into a prime (680353) by changing a digit.

680358 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 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (49392).

2⁶⁸⁰³⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790272).

680358 is an abundant number, since it is smaller than the sum of its proper divisors (900186).

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

680358 is a wasteful number, since it uses less digits than its factorization.

680358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 680358 is about 824.8381659453. The cubic root of 680358 is about 87.9520227458.

The spelling of 680358 in words is "six hundred eighty thousand, three hundred fifty-eight".