680841 has 24 divisors (see below), whose sum is σ = 1145664. Its totient is φ = 381600.

The previous prime is 680831. The next prime is 680857. The reversal of 680841 is 148086.

680841 = T₅₅ + T₅₆ + ... + T₁₆₁.

It is not a de Polignac number, because 680841 - 2⁵ = 680809 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680841.

It is not an unprimeable number, because it can be changed into a prime (680831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6310 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2⁶⁸⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

680841 is a deficient number, since it is larger than the sum of its proper divisors (464823).

680841 is a wasteful number, since it uses less digits than its factorization.

680841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

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

The square root of 680841 is about 825.1308987064. The cubic root of 680841 is about 87.9728307999.

It can be divided in two parts, 680 and 841, that added together give a square (1521 = 39²).

The spelling of 680841 in words is "six hundred eighty thousand, eight hundred forty-one".