3956879 has 4 divisors (see below), whose sum is σ = 3961584. Its totient is φ = 3952176.

The previous prime is 3956867. The next prime is 3956881. The reversal of 3956879 is 9786593.

3956879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9786593 = 1013 ⋅9661.

It is a cyclic number.

It is not a de Polignac number, because 3956879 - 2⁴ = 3956863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956179) 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, 707 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (990396).

Almost surely, 2^3956879 is an apocalyptic number.

3956879 is a deficient number, since it is larger than the sum of its proper divisors (4705).

3956879 is a wasteful number, since it uses less digits than its factorization.

3956879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704.

The product of its digits is 408240, while the sum is 47.

The square root of 3956879 is about 1989.1905388876. The cubic root of 3956879 is about 158.1676237378.

The spelling of 3956879 in words is "three million, nine hundred fifty-six thousand, eight hundred seventy-nine".