3821840382 has 8 divisors (see below), whose sum is σ = 7643680776. Its totient is φ = 1273946792.

The previous prime is 3821840359. The next prime is 3821840389. The reversal of 3821840382 is 2830481283.

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

3821840382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3821840382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821840389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318486693 + ... + 318486704.

It is an arithmetic number, because the mean of its divisors is an integer number (955460097).

Almost surely, 2^3821840382 is an apocalyptic number.

3821840382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3821840382 is a wasteful number, since it uses less digits than its factorization.

3821840382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636973402.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 3821840382 is about 61821.0351094189. The cubic root of 3821840382 is about 1563.4746653802.

The spelling of 3821840382 in words is "three billion, eight hundred twenty-one million, eight hundred forty thousand, three hundred eighty-two".