680347 has 2 divisors, whose sum is σ = 680348. Its totient is φ = 680346.

The previous prime is 680341. The next prime is 680353. The reversal of 680347 is 743086.

680347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (680341) and next prime (680353).

It is a cyclic number.

It is not a de Polignac number, because 680347 - 2¹¹ = 678299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340173 + 340174.

It is an arithmetic number, because the mean of its divisors is an integer number (340174).

2⁶⁸⁰³⁴⁷ is an apocalyptic number.

680347 is a deficient number, since it is larger than the sum of its proper divisors (1).

680347 is an equidigital number, since it uses as much as digits as its factorization.

680347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 680347 is about 824.8314979437. The cubic root of 680347 is about 87.9515487417.

The spelling of 680347 in words is "six hundred eighty thousand, three hundred forty-seven".