680924 has 6 divisors (see below), whose sum is σ = 1191624. Its totient is φ = 340460.

The previous prime is 680917. The next prime is 680929. The reversal of 680924 is 429086.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85112 + ... + 85119.

It is an arithmetic number, because the mean of its divisors is an integer number (198604).

2⁶⁸⁰⁹²⁴ is an apocalyptic number.

It is an amenable number.

680924 is a deficient number, since it is larger than the sum of its proper divisors (510700).

680924 is a wasteful number, since it uses less digits than its factorization.

680924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170235 (or 170233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 680924 is about 825.1811922239. The cubic root of 680924 is about 87.9764055202.

The spelling of 680924 in words is "six hundred eighty thousand, nine hundred twenty-four".