680104 has 16 divisors (see below), whose sum is σ = 1285920. Its totient is φ = 337200.

The previous prime is 680083. The next prime is 680107. The reversal of 680104 is 401086.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (680107) by changing a digit.

680104 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 927 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (80370).

2⁶⁸⁰¹⁰⁴ is an apocalyptic number.

It is an amenable number.

680104 is a deficient number, since it is larger than the sum of its proper divisors (605816).

680104 is a wasteful number, since it uses less digits than its factorization.

680104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 680104 is about 824.6841819751. The cubic root of 680104 is about 87.9410762567.

It can be divided in two parts, 680 and 104, that added together give a square (784 = 28²).

The spelling of 680104 in words is "six hundred eighty thousand, one hundred four".