680508 has 24 divisors (see below), whose sum is σ = 1764560. Its totient is φ = 226800.

The previous prime is 680507. The next prime is 680509. The reversal of 680508 is 805086.

680508 = T₈₇ + T₈₈ + ... + T₁₆₇.

It is an interprime number because it is at equal distance from previous prime (680507) and next prime (680509).

It is a super-2 number, since 2×680508² = 926182276128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680508.

It is not an unprimeable number, because it can be changed into a prime (680503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043 + ... + 3258.

2⁶⁸⁰⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

680508 is an abundant number, since it is smaller than the sum of its proper divisors (1084052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680508 is a wasteful number, since it uses less digits than its factorization.

680508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 680508 is about 824.9290878615. The cubic root of 680508 is about 87.9584859284.

The spelling of 680508 in words is "six hundred eighty thousand, five hundred eight".