3963913 has 4 divisors (see below), whose sum is σ = 4172560. Its totient is φ = 3755268.

The previous prime is 3963899. The next prime is 3963931. The reversal of 3963913 is 3193693.

It is a happy number.

3963913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3193693 = 1249 ⋅2557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3963913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3963013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104295 + ... + 104332.

It is an arithmetic number, because the mean of its divisors is an integer number (1043140).

Almost surely, 2^3963913 is an apocalyptic number.

It is an amenable number.

3963913 is a deficient number, since it is larger than the sum of its proper divisors (208647).

3963913 is a wasteful number, since it uses less digits than its factorization.

3963913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208646.

The product of its digits is 13122, while the sum is 34.

The square root of 3963913 is about 1990.9578096986. The cubic root of 3963913 is about 158.2612912022.

The spelling of 3963913 in words is "three million, nine hundred sixty-three thousand, nine hundred thirteen".