3996529 has 2 divisors, whose sum is σ = 3996530. Its totient is φ = 3996528.

The previous prime is 3996527. The next prime is 3996541. The reversal of 3996529 is 9256993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 1600225 = 1548^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996529 - 2¹ = 3996527 is a prime.

Together with 3996527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3996521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998264 + 1998265.

It is an arithmetic number, because the mean of its divisors is an integer number (1998265).

Almost surely, 2^3996529 is an apocalyptic number.

It is an amenable number.

3996529 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996529 is an equidigital number, since it uses as much as digits as its factorization.

3996529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 43.

The square root of 3996529 is about 1999.1320616708. The cubic root of 3996529 is about 158.6941763339.

The spelling of 3996529 in words is "three million, nine hundred ninety-six thousand, five hundred twenty-nine".