685275246 has 12 divisors (see below), whose sum is σ = 1484763072. Its totient is φ = 228425076.

The previous prime is 685275229. The next prime is 685275247. The reversal of 685275246 is 642572586.

685275246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685275247) 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, 19035406 + ... + 19035441.

It is an arithmetic number, because the mean of its divisors is an integer number (123730256).

Almost surely, 2^685275246 is an apocalyptic number.

685275246 is an abundant number, since it is smaller than the sum of its proper divisors (799487826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685275246 is a wasteful number, since it uses less digits than its factorization.

685275246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38070855 (or 38070852 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 685275246 is about 26177.7624330270. The cubic root of 685275246 is about 881.6340360889.

The spelling of 685275246 in words is "six hundred eighty-five million, two hundred seventy-five thousand, two hundred forty-six".