3935963 has 4 divisors (see below), whose sum is σ = 3944928. Its totient is φ = 3927000.

The previous prime is 3935951. The next prime is 3935989. The reversal of 3935963 is 3695393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3695393 = 13 ⋅284261.

It is a cyclic number.

It is not a de Polignac number, because 3935963 - 2⁴ = 3935947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3935363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (986232).

Almost surely, 2^3935963 is an apocalyptic number.

3935963 is a deficient number, since it is larger than the sum of its proper divisors (8965).

3935963 is an equidigital number, since it uses as much as digits as its factorization.

3935963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964.

The product of its digits is 65610, while the sum is 38.

The square root of 3935963 is about 1983.9261579000. The cubic root of 3935963 is about 157.8884407178. Note that the first 3 decimals are identical.

The spelling of 3935963 in words is "three million, nine hundred thirty-five thousand, nine hundred sixty-three".