685010 has 8 divisors (see below), whose sum is σ = 1233036. Its totient is φ = 274000.

The previous prime is 685001. The next prime is 685019. The reversal of 685010 is 10586.

It is an interprime number because it is at equal distance from previous prime (685001) and next prime (685019).

It can be written as a sum of positive squares in 2 ways, for example, as 588289 + 96721 = 767^2 + 311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (685019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34241 + ... + 34260.

2⁶⁸⁵⁰¹⁰ is an apocalyptic number.

685010 is a deficient number, since it is larger than the sum of its proper divisors (548026).

685010 is a wasteful number, since it uses less digits than its factorization.

685010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68508.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 685010 is about 827.6533090612. The cubic root of 685010 is about 88.1520271544.

Adding to 685010 its reverse (10586), we get a palindrome (695596).

The spelling of 685010 in words is "six hundred eighty-five thousand, ten".