3639806382 has 16 divisors (see below), whose sum is σ = 7292368512. Its totient is φ = 1211142840.

The previous prime is 3639806381. The next prime is 3639806393. The reversal of 3639806382 is 2836089363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639806381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527778 + ... + 534629.

It is an arithmetic number, because the mean of its divisors is an integer number (455773032).

Almost surely, 2^3639806382 is an apocalyptic number.

3639806382 is an abundant number, since it is smaller than the sum of its proper divisors (3652562130).

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

3639806382 is a wasteful number, since it uses less digits than its factorization.

3639806382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062983.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 3639806382 is about 60330.8079011047. The cubic root of 3639806382 is about 1538.2470612071.

The spelling of 3639806382 in words is "three billion, six hundred thirty-nine million, eight hundred six thousand, three hundred eighty-two".