3938771 has 2 divisors, whose sum is σ = 3938772. Its totient is φ = 3938770.

The previous prime is 3938743. The next prime is 3938783. The reversal of 3938771 is 1778393.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1778393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3938771 - 2⁶ = 3938707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3938731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969385 + 1969386.

It is an arithmetic number, because the mean of its divisors is an integer number (1969386).

Almost surely, 2^3938771 is an apocalyptic number.

3938771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938771 is an equidigital number, since it uses as much as digits as its factorization.

3938771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 3938771 is about 1984.6337193548. The cubic root of 3938771 is about 157.9259787867.

The spelling of 3938771 in words is "three million, nine hundred thirty-eight thousand, seven hundred seventy-one".