3959906 has 8 divisors (see below), whose sum is σ = 5951340. Its totient is φ = 1976128.

The previous prime is 3959899. The next prime is 3959911. The reversal of 3959906 is 6099593.

It is a happy number.

3959906 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 3667225 + 292681 = 1915^2 + 541^2 .

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

It is a nialpdrome in base 13.

It is an unprimeable number.

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, 371 + ... + 2838.

Almost surely, 2^3959906 is an apocalyptic number.

3959906 is a deficient number, since it is larger than the sum of its proper divisors (1991434).

3959906 is a wasteful number, since it uses less digits than its factorization.

3959906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 3959906 is about 1989.9512556844. The cubic root of 3959906 is about 158.2079460358.

It can be divided in two parts, 395 and 9906, that added together give a palindrome (10301).

The spelling of 3959906 in words is "three million, nine hundred fifty-nine thousand, nine hundred six".