3982114821 has 16 divisors (see below), whose sum is σ = 5607092736. Its totient is φ = 2508721776.

The previous prime is 3982114781. The next prime is 3982114841. The reversal of 3982114821 is 1284112893.

It is not a de Polignac number, because 3982114821 - 2¹³ = 3982106629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3982114821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982114841) 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, 341935 + ... + 353388.

It is an arithmetic number, because the mean of its divisors is an integer number (350443296).

Almost surely, 2^3982114821 is an apocalyptic number.

It is an amenable number.

3982114821 is a deficient number, since it is larger than the sum of its proper divisors (1624977915).

3982114821 is a wasteful number, since it uses less digits than its factorization.

3982114821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695432.

The product of its digits is 27648, while the sum is 39.

The square root of 3982114821 is about 63104.0000396171. Note that the first 4 decimals coincide. The cubic root of 3982114821 is about 1585.0316042884.

The spelling of 3982114821 in words is "three billion, nine hundred eighty-two million, one hundred fourteen thousand, eight hundred twenty-one".