3943696 has 20 divisors (see below), whose sum is σ = 7888384. Its totient is φ = 1908000.

The previous prime is 3943691. The next prime is 3943703. The reversal of 3943696 is 6963493.

3943696 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3943691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3480 + ... + 4471.

Almost surely, 2^3943696 is an apocalyptic number.

It is an amenable number.

3943696 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3943696 is a wasteful number, since it uses less digits than its factorization.

3943696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7984 counting only the distinct ones).

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

The square root of 3943696 is about 1985.8741148421. The cubic root of 3943696 is about 157.9917743942.

The spelling of 3943696 in words is "three million, nine hundred forty-three thousand, six hundred ninety-six".