680459 has 8 divisors (see below), whose sum is σ = 776160. Its totient is φ = 590976.

The previous prime is 680453. The next prime is 680489. The reversal of 680459 is 954086.

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

It is a cyclic number.

It is not a de Polignac number, because 680459 - 2⁴ = 680443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680453) 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, 1319 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2⁶⁸⁰⁴⁵⁹ is an apocalyptic number.

680459 is a deficient number, since it is larger than the sum of its proper divisors (95701).

680459 is a wasteful number, since it uses less digits than its factorization.

680459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 680459 is about 824.8993878044. The cubic root of 680459 is about 87.9563747266.

The spelling of 680459 in words is "six hundred eighty thousand, four hundred fifty-nine".