3946736 has 20 divisors (see below), whose sum is σ = 7728672. Its totient is φ = 1952256.

The previous prime is 3946729. The next prime is 3946739. The reversal of 3946736 is 6376493.

It is a happy number.

3946736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3946736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946739) 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, 281 + ... + 2823.

Almost surely, 2^3946736 is an apocalyptic number.

It is an amenable number.

3946736 is a deficient number, since it is larger than the sum of its proper divisors (3781936).

3946736 is a wasteful number, since it uses less digits than its factorization.

3946736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2642 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 3946736 is about 1986.6393734143. The cubic root of 3946736 is about 158.0323599798.

The spelling of 3946736 in words is "three million, nine hundred forty-six thousand, seven hundred thirty-six".