3996911 has 2 divisors, whose sum is σ = 3996912. Its totient is φ = 3996910.

The previous prime is 3996869. The next prime is 3996919. The reversal of 3996911 is 1196993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3996911 - 2¹⁴ = 3980527 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3996919) 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, 1998455 + 1998456.

It is an arithmetic number, because the mean of its divisors is an integer number (1998456).

Almost surely, 2^3996911 is an apocalyptic number.

3996911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996911 is an equidigital number, since it uses as much as digits as its factorization.

3996911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 38.

The square root of 3996911 is about 1999.2276008499. The cubic root of 3996911 is about 158.6992323249.

The spelling of 3996911 in words is "three million, nine hundred ninety-six thousand, nine hundred eleven".