680514 has 16 divisors (see below), whose sum is σ = 1408320. Its totient is φ = 218960.

The previous prime is 680509. The next prime is 680531. The reversal of 680514 is 415086.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (88020).

2⁶⁸⁰⁵¹⁴ is an apocalyptic number.

680514 is an abundant number, since it is smaller than the sum of its proper divisors (727806).

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

680514 is a wasteful number, since it uses less digits than its factorization.

680514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 680514 is about 824.9327245297. The cubic root of 680514 is about 87.9587444360.

The spelling of 680514 in words is "six hundred eighty thousand, five hundred fourteen".