3969706 has 8 divisors (see below), whose sum is σ = 6412644. Its totient is φ = 1832160.

The previous prime is 3969703. The next prime is 3969709. The reversal of 3969706 is 6079693.

3969706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3969703) and next prime (3969709).

It can be written as a sum of positive squares in 2 ways, for example, as 3964081 + 5625 = 1991^2 + 75^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3969703) 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, 76315 + ... + 76366.

Almost surely, 2^3969706 is an apocalyptic number.

3969706 is a deficient number, since it is larger than the sum of its proper divisors (2442938).

3969706 is a wasteful number, since it uses less digits than its factorization.

3969706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152696.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 3969706 is about 1992.4121059660. The cubic root of 3969706 is about 158.3383498564.

The spelling of 3969706 in words is "three million, nine hundred sixty-nine thousand, seven hundred six".