3964963 has 2 divisors, whose sum is σ = 3964964. Its totient is φ = 3964962.

The previous prime is 3964951. The next prime is 3964973. The reversal of 3964963 is 3694693.

It is a strong prime.

It is an emirp because it is prime and its reverse (3694693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3964903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982481 + 1982482.

It is an arithmetic number, because the mean of its divisors is an integer number (1982482).

Almost surely, 2^3964963 is an apocalyptic number.

3964963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964963 is an equidigital number, since it uses as much as digits as its factorization.

3964963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The square root of 3964963 is about 1991.2214844160. The cubic root of 3964963 is about 158.2752639008.

The spelling of 3964963 in words is "three million, nine hundred sixty-four thousand, nine hundred sixty-three".