3867982205 has 16 divisors (see below), whose sum is σ = 4916867184. Its totient is φ = 2911027200.

The previous prime is 3867982199. The next prime is 3867982207. The reversal of 3867982205 is 5022897683.

It can be written as a sum of positive squares in 8 ways, for example, as 124255609 + 3743726596 = 11147^2 + 61186^2 .

It is not a de Polignac number, because 3867982205 - 2¹⁸ = 3867720061 is a prime.

It is a super-2 number, since 2×3867982205² = 29922572676393324050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867982207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201005 + ... + 219405.

It is an arithmetic number, because the mean of its divisors is an integer number (307304199).

Almost surely, 2^3867982205 is an apocalyptic number.

It is an amenable number.

3867982205 is a deficient number, since it is larger than the sum of its proper divisors (1048884979).

3867982205 is a wasteful number, since it uses less digits than its factorization.

3867982205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 3867982205 is about 62193.1041595449. The cubic root of 3867982205 is about 1569.7415568479.

The spelling of 3867982205 in words is "three billion, eight hundred sixty-seven million, nine hundred eighty-two thousand, two hundred five".