3956942 has 24 divisors (see below), whose sum is σ = 6636168. Its totient is φ = 1767920.

The previous prime is 3956941. The next prime is 3956957. The reversal of 3956942 is 2496593.

3956942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3¹³ + 9² + 5⁵ + 6² + 9² + 4⁹ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3956896 and 3956905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956941) 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 11 ways as a sum of consecutive naturals, for example, 19988 + ... + 20184.

It is an arithmetic number, because the mean of its divisors is an integer number (276507).

Almost surely, 2^3956942 is an apocalyptic number.

3956942 is a deficient number, since it is larger than the sum of its proper divisors (2679226).

3956942 is a wasteful number, since it uses less digits than its factorization.

3956942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 293 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 3956942 is about 1989.2063744117. The cubic root of 3956942 is about 158.1684631626.

It can be divided in two parts, 395 and 6942, that added together give a palindrome (7337).

The spelling of 3956942 in words is "three million, nine hundred fifty-six thousand, nine hundred forty-two".