683809085 has 16 divisors (see below), whose sum is σ = 835339392. Its totient is φ = 537230400.

The previous prime is 683809081. The next prime is 683809097. The reversal of 683809085 is 580908386.

It is not a de Polignac number, because 683809085 - 2² = 683809081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683809081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250880 + ... + 253590.

It is an arithmetic number, because the mean of its divisors is an integer number (52208712).

Almost surely, 2^683809085 is an apocalyptic number.

It is an amenable number.

683809085 is a deficient number, since it is larger than the sum of its proper divisors (151530307).

683809085 is a wasteful number, since it uses less digits than its factorization.

683809085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 683809085 is about 26149.7434977860. The cubic root of 683809085 is about 881.0048288686.

The spelling of 683809085 in words is "six hundred eighty-three million, eight hundred nine thousand, eighty-five".