3873847 has 2 divisors, whose sum is σ = 3873848. Its totient is φ = 3873846.

The previous prime is 3873839. The next prime is 3873871. The reversal of 3873847 is 7483783.

It is a weak prime.

It is an emirp because it is prime and its reverse (7483783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3873847 - 2³ = 3873839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3873817) 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 as a sum of consecutive naturals, namely, 1936923 + 1936924.

It is an arithmetic number, because the mean of its divisors is an integer number (1936924).

Almost surely, 2^3873847 is an apocalyptic number.

3873847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873847 is an equidigital number, since it uses as much as digits as its factorization.

3873847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 3873847 is about 1968.2090844217. The cubic root of 3873847 is about 157.0534525284.

The spelling of 3873847 in words is "three million, eight hundred seventy-three thousand, eight hundred forty-seven".