3964663 has 2 divisors, whose sum is σ = 3964664. Its totient is φ = 3964662.

The previous prime is 3964651. The next prime is 3964679. The reversal of 3964663 is 3664693.

It is a weak prime.

It is an emirp because it is prime and its reverse (3664693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3964663 - 2¹³ = 3956471 is a prime.

3964663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964603) 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, 1982331 + 1982332.

It is an arithmetic number, because the mean of its divisors is an integer number (1982332).

Almost surely, 2^3964663 is an apocalyptic number.

3964663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964663 is an equidigital number, since it uses as much as digits as its factorization.

3964663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 3964663 is about 1991.1461523454. The cubic root of 3964663 is about 158.2712719530.

The spelling of 3964663 in words is "three million, nine hundred sixty-four thousand, six hundred sixty-three".