680217 has 8 divisors (see below), whose sum is σ = 928224. Its totient is φ = 442848.

The previous prime is 680213. The next prime is 680237. The reversal of 680217 is 712086.

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

It is not a de Polignac number, because 680217 - 2² = 680213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (116028).

2⁶⁸⁰²¹⁷ is an apocalyptic number.

It is an amenable number.

680217 is a deficient number, since it is larger than the sum of its proper divisors (248007).

680217 is a wasteful number, since it uses less digits than its factorization.

680217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 680217 is about 824.7526902048. The cubic root of 680217 is about 87.9459464879.

The spelling of 680217 in words is "six hundred eighty thousand, two hundred seventeen".