3943706 has 8 divisors (see below), whose sum is σ = 6370644. Its totient is φ = 1820160.

The previous prime is 3943703. The next prime is 3943717. The reversal of 3943706 is 6073493.

3943706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 3481 = 1985^2 + 59^2 .

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

It is a super-3 number, since 3×3943706³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3943703) 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, 75815 + ... + 75866.

Almost surely, 2^3943706 is an apocalyptic number.

3943706 is a deficient number, since it is larger than the sum of its proper divisors (2426938).

3943706 is a wasteful number, since it uses less digits than its factorization.

3943706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151696.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3943706 is about 1985.8766326235. The cubic root of 3943706 is about 157.9919079336.

The spelling of 3943706 in words is "three million, nine hundred forty-three thousand, seven hundred six".