3922871 has 2 divisors, whose sum is σ = 3922872. Its totient is φ = 3922870.

The previous prime is 3922843. The next prime is 3922907. The reversal of 3922871 is 1782293.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3922871 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3924871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961435 + 1961436.

It is an arithmetic number, because the mean of its divisors is an integer number (1961436).

Almost surely, 2^3922871 is an apocalyptic number.

3922871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922871 is an equidigital number, since it uses as much as digits as its factorization.

3922871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 3922871 is about 1980.6238916059. The cubic root of 3922871 is about 157.7131874120.

The spelling of 3922871 in words is "three million, nine hundred twenty-two thousand, eight hundred seventy-one".