3963686 has 8 divisors (see below), whose sum is σ = 6295320. Its totient is φ = 1865248.

The previous prime is 3963683. The next prime is 3963709. The reversal of 3963686 is 6863693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963683) 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, 58256 + ... + 58323.

It is an arithmetic number, because the mean of its divisors is an integer number (786915).

Almost surely, 2^3963686 is an apocalyptic number.

3963686 is a deficient number, since it is larger than the sum of its proper divisors (2331634).

3963686 is a wasteful number, since it uses less digits than its factorization.

3963686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116598.

The product of its digits is 139968, while the sum is 41.

The square root of 3963686 is about 1990.9008011450. The cubic root of 3963686 is about 158.2582701134.

The spelling of 3963686 in words is "three million, nine hundred sixty-three thousand, six hundred eighty-six".