680926 has 8 divisors (see below), whose sum is σ = 1025640. Its totient is φ = 339048.

The previous prime is 680917. The next prime is 680929. The reversal of 680926 is 629086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680929) 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, 60 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (128205).

2⁶⁸⁰⁹²⁶ is an apocalyptic number.

680926 is a deficient number, since it is larger than the sum of its proper divisors (344714).

680926 is a wasteful number, since it uses less digits than its factorization.

680926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 680926 is about 825.1824040780. The cubic root of 680926 is about 87.9764916544.

The spelling of 680926 in words is "six hundred eighty thousand, nine hundred twenty-six".