3873817 has 2 divisors, whose sum is σ = 3873818. Its totient is φ = 3873816.

The previous prime is 3873811. The next prime is 3873829. The reversal of 3873817 is 7183783.

3873817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2483776 + 1390041 = 1576^2 + 1179^2 .

It is an emirp because it is prime and its reverse (7183783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3873817 - 2³ = 3873809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3873811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936908 + 1936909.

It is an arithmetic number, because the mean of its divisors is an integer number (1936909).

Almost surely, 2^3873817 is an apocalyptic number.

It is an amenable number.

3873817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873817 is an equidigital number, since it uses as much as digits as its factorization.

3873817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 3873817 is about 1968.2014632654. The cubic root of 3873817 is about 157.0530471075.

The spelling of 3873817 in words is "three million, eight hundred seventy-three thousand, eight hundred seventeen".