680814 has 24 divisors (see below), whose sum is σ = 1492920. Its totient is φ = 224208.

The previous prime is 680809. The next prime is 680831. The reversal of 680814 is 418086.

It is a Curzon number.

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 680814.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (62205).

2⁶⁸⁰⁸¹⁴ is an apocalyptic number.

680814 is an abundant number, since it is smaller than the sum of its proper divisors (812106).

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

680814 is a wasteful number, since it uses less digits than its factorization.

680814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 680814 is about 825.1145375037. The cubic root of 680814 is about 87.9716678765.

The spelling of 680814 in words is "six hundred eighty thousand, eight hundred fourteen".