3971411 has 2 divisors, whose sum is σ = 3971412. Its totient is φ = 3971410.

The previous prime is 3971393. The next prime is 3971413. The reversal of 3971411 is 1141793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3971411 - 2¹⁴ = 3955027 is a prime.

Together with 3971413, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (3971413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985705 + 1985706.

It is an arithmetic number, because the mean of its divisors is an integer number (1985706).

Almost surely, 2^3971411 is an apocalyptic number.

3971411 is a deficient number, since it is larger than the sum of its proper divisors (1).

3971411 is an equidigital number, since it uses as much as digits as its factorization.

3971411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 3971411 is about 1992.8399333614. The cubic root of 3971411 is about 158.3610155354.

The spelling of 3971411 in words is "three million, nine hundred seventy-one thousand, four hundred eleven".