680024 has 16 divisors (see below), whose sum is σ = 1285200. Its totient is φ = 337312.

The previous prime is 680003. The next prime is 680027. The reversal of 680024 is 420086.

It is a junction number, because it is equal to n+sod(n) for n = 679978 and 680005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680027) by changing a digit.

680024 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2⁶⁸⁰⁰²⁴ is an apocalyptic number.

It is an amenable number.

680024 is a deficient number, since it is larger than the sum of its proper divisors (605176).

680024 is a wasteful number, since it uses less digits than its factorization.

680024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 680024 is about 824.6356771326. The cubic root of 680024 is about 87.9376279792.

The spelling of 680024 in words is "six hundred eighty thousand, twenty-four".