682185018 has 32 divisors (see below), whose sum is σ = 1380218112. Its totient is φ = 224769600.

The previous prime is 682185013. The next prime is 682185029. The reversal of 682185018 is 810581286.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (682185011) 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, 186063 + ... + 189693.

It is an arithmetic number, because the mean of its divisors is an integer number (43131816).

Almost surely, 2^682185018 is an apocalyptic number.

682185018 is an abundant number, since it is smaller than the sum of its proper divisors (698033094).

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

682185018 is a wasteful number, since it uses less digits than its factorization.

682185018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 682185018 is about 26118.6718268751. The cubic root of 682185018 is about 880.3068050403.

The spelling of 682185018 in words is "six hundred eighty-two million, one hundred eighty-five thousand, eighteen".