680941 has 4 divisors (see below), whose sum is σ = 716800. Its totient is φ = 645084.

The previous prime is 680929. The next prime is 680959. The reversal of 680941 is 149086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680941 - 2¹⁵ = 648173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17901 + ... + 17938.

It is an arithmetic number, because the mean of its divisors is an integer number (179200).

2⁶⁸⁰⁹⁴¹ is an apocalyptic number.

It is an amenable number.

680941 is a deficient number, since it is larger than the sum of its proper divisors (35859).

680941 is a wasteful number, since it uses less digits than its factorization.

680941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35858.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 680941 is about 825.1914929276. The cubic root of 680941 is about 87.9771376559.

The spelling of 680941 in words is "six hundred eighty thousand, nine hundred forty-one".