3903871 has 2 divisors, whose sum is σ = 3903872. Its totient is φ = 3903870.

The previous prime is 3903857. The next prime is 3903877. The reversal of 3903871 is 1783093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3903871 - 2⁵ = 3903839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3903877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951935 + 1951936.

It is an arithmetic number, because the mean of its divisors is an integer number (1951936).

Almost surely, 2^3903871 is an apocalyptic number.

3903871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3903871 is an equidigital number, since it uses as much as digits as its factorization.

3903871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3903871 is about 1975.8216012586. The cubic root of 3903871 is about 157.4581529876.

It can be divided in two parts, 3903 and 871, that added together give a palindrome (4774).

The spelling of 3903871 in words is "three million, nine hundred three thousand, eight hundred seventy-one".