680499 has 6 divisors (see below), whose sum is σ = 982956. Its totient is φ = 453660.

The previous prime is 680489. The next prime is 680503. The reversal of 680499 is 994086.

It is not a de Polignac number, because 680499 - 2¹¹ = 678451 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680499.

It is not an unprimeable number, because it can be changed into a prime (680489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37797 + ... + 37814.

It is an arithmetic number, because the mean of its divisors is an integer number (163826).

2⁶⁸⁰⁴⁹⁹ is an apocalyptic number.

680499 is a deficient number, since it is larger than the sum of its proper divisors (302457).

680499 is a wasteful number, since it uses less digits than its factorization.

680499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75617 (or 75614 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 680499 is about 824.9236328291. The cubic root of 680499 is about 87.9580981643.

It can be divided in two parts, 6804 and 99, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 680499 in words is "six hundred eighty thousand, four hundred ninety-nine".