3959956 has 96 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 1330560.

The previous prime is 3959953. The next prime is 3959957. The reversal of 3959956 is 6599593.

It is a happy number.

3959956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959953) 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 31 ways as a sum of consecutive naturals, for example, 92071 + ... + 92113.

It is an arithmetic number, because the mean of its divisors is an integer number (103488).

Almost surely, 2^3959956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3959956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967424).

3959956 is an abundant number, since it is smaller than the sum of its proper divisors (5974892).

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

3959956 is a wasteful number, since it uses less digits than its factorization.

3959956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 99 counting only the distinct ones).

The product of its digits is 328050, while the sum is 46.

The square root of 3959956 is about 1989.9638187666. The cubic root of 3959956 is about 158.2086119071.

It can be divided in two parts, 39 and 59956, that added together give a palindrome (59995).

The spelling of 3959956 in words is "three million, nine hundred fifty-nine thousand, nine hundred fifty-six".