3956823 has 16 divisors (see below), whose sum is σ = 6313440. Its totient is φ = 2434752.

The previous prime is 3956803. The next prime is 3956831. The reversal of 3956823 is 3286593.

3956823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3956823 - 2⁹ = 3956311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956803) 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 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (394590).

Almost surely, 2^3956823 is an apocalyptic number.

3956823 is a deficient number, since it is larger than the sum of its proper divisors (2356617).

3956823 is a wasteful number, since it uses less digits than its factorization.

3956823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295 (or 11289 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3956823 is about 1989.1764627604. The cubic root of 3956823 is about 158.1668775749.

The spelling of 3956823 in words is "three million, nine hundred fifty-six thousand, eight hundred twenty-three".