3862838381 has 2 divisors, whose sum is σ = 3862838382. Its totient is φ = 3862838380.

The previous prime is 3862838347. The next prime is 3862838459. The reversal of 3862838381 is 1838382683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3001944100 + 860894281 = 54790^2 + 29341^2 .

It is an emirp because it is prime and its reverse (1838382683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3862838381 - 2²⁶ = 3795729517 is a prime.

It is a super-2 number, since 2×3862838381² = 29843040715453402322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3862838321) 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 as a sum of consecutive naturals, namely, 1931419190 + 1931419191.

It is an arithmetic number, because the mean of its divisors is an integer number (1931419191).

Almost surely, 2^3862838381 is an apocalyptic number.

It is an amenable number.

3862838381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3862838381 is an equidigital number, since it uses as much as digits as its factorization.

3862838381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 50.

The square root of 3862838381 is about 62151.7367496677. The cubic root of 3862838381 is about 1569.0454095387.

The spelling of 3862838381 in words is "three billion, eight hundred sixty-two million, eight hundred thirty-eight thousand, three hundred eighty-one".