682131939 has 16 divisors (see below), whose sum is σ = 990393600. Its totient is φ = 415963296.

The previous prime is 682131913. The next prime is 682131941. The reversal of 682131939 is 939131286.

It is not a de Polignac number, because 682131939 - 2⁸ = 682131683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 682131939.

It is not an unprimeable number, because it can be changed into a prime (682131949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204679 + ... + 207984.

It is an arithmetic number, because the mean of its divisors is an integer number (61899600).

Almost surely, 2^682131939 is an apocalyptic number.

682131939 is a deficient number, since it is larger than the sum of its proper divisors (308261661).

682131939 is a wasteful number, since it uses less digits than its factorization.

682131939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412714.

The product of its digits is 69984, while the sum is 42.

The square root of 682131939 is about 26117.6556949509. The cubic root of 682131939 is about 880.2839730052.

The spelling of 682131939 in words is "six hundred eighty-two million, one hundred thirty-one thousand, nine hundred thirty-nine".