685046 has 8 divisors (see below), whose sum is σ = 1031184. Its totient is φ = 341320.

The previous prime is 685039. The next prime is 685051. The reversal of 685046 is 640586.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

685046 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (128898).

2⁶⁸⁵⁰⁴⁶ is an apocalyptic number.

685046 is a deficient number, since it is larger than the sum of its proper divisors (346138).

685046 is a wasteful number, since it uses less digits than its factorization.

685046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 685046 is about 827.6750570121. The cubic root of 685046 is about 88.1535713739.

The spelling of 685046 in words is "six hundred eighty-five thousand, forty-six".