3996131 has 2 divisors, whose sum is σ = 3996132. Its totient is φ = 3996130.

The previous prime is 3996107. The next prime is 3996149. The reversal of 3996131 is 1316993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3996131 - 2⁶ = 3996067 is a prime.

It is a super-2 number, since 2×3996131² = 31938125938322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (3996151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998065 + 1998066.

It is an arithmetic number, because the mean of its divisors is an integer number (1998066).

Almost surely, 2^3996131 is an apocalyptic number.

3996131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996131 is an equidigital number, since it uses as much as digits as its factorization.

3996131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 32.

The square root of 3996131 is about 1999.0325159937. The cubic root of 3996131 is about 158.6889082309.

The spelling of 3996131 in words is "three million, nine hundred ninety-six thousand, one hundred thirty-one".