680937 has 8 divisors (see below), whose sum is σ = 911904. Its totient is φ = 451968.

The previous prime is 680929. The next prime is 680959. The reversal of 680937 is 739086.

It is a happy number.

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

It is not a de Polignac number, because 680937 - 2³ = 680929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680898 and 680907.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680937.

It is not an unprimeable number, because it can be changed into a prime (680917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (113988).

2⁶⁸⁰⁹³⁷ is an apocalyptic number.

It is an amenable number.

680937 is a deficient number, since it is larger than the sum of its proper divisors (230967).

680937 is a wasteful number, since it uses less digits than its factorization.

680937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 680937 is about 825.1890692441. The cubic root of 680937 is about 87.9769653898.

The spelling of 680937 in words is "six hundred eighty thousand, nine hundred thirty-seven".