680548 has 12 divisors (see below), whose sum is σ = 1299312. Its totient is φ = 309320.

The previous prime is 680539. The next prime is 680567. The reversal of 680548 is 845086.

It is an unprimeable number.

680548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7690 + ... + 7777.

It is an arithmetic number, because the mean of its divisors is an integer number (108276).

2⁶⁸⁰⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

680548 is a deficient number, since it is larger than the sum of its proper divisors (618764).

680548 is a wasteful number, since it uses less digits than its factorization.

680548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482 (or 15480 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 680548 is about 824.9533320134. The cubic root of 680548 is about 87.9602092834.

The spelling of 680548 in words is "six hundred eighty thousand, five hundred forty-eight".