685883 has 8 divisors (see below), whose sum is σ = 781056. Its totient is φ = 596200.

The previous prime is 685859. The next prime is 685907. The reversal of 685883 is 388586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (685859) and next prime (685907).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 685883 - 2⁶ = 685819 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 685883.

It is not an unprimeable number, because it can be changed into a prime (681883) 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 7 ways as a sum of consecutive naturals, for example, 1103 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (97632).

2⁶⁸⁵⁸⁸³ is an apocalyptic number.

685883 is a deficient number, since it is larger than the sum of its proper divisors (95173).

685883 is a wasteful number, since it uses less digits than its factorization.

685883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its digits is 46080, while the sum is 38.

The square root of 685883 is about 828.1805358737. The cubic root of 685883 is about 88.1894592360.

The spelling of 685883 in words is "six hundred eighty-five thousand, eight hundred eighty-three".