3956944 has 10 divisors (see below), whose sum is σ = 7666610. Its totient is φ = 1978464.

The previous prime is 3956941. The next prime is 3956957. The reversal of 3956944 is 4496593.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 788544 = 1780^2 + 888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3956897 and 3956906.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 123639 + ... + 123670.

It is an arithmetic number, because the mean of its divisors is an integer number (766661).

Almost surely, 2^3956944 is an apocalyptic number.

It is an amenable number.

3956944 is a deficient number, since it is larger than the sum of its proper divisors (3709666).

3956944 is a wasteful number, since it uses less digits than its factorization.

3956944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247317 (or 247311 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 3956944 is about 1989.2068771246. The cubic root of 3956944 is about 158.1684898109.

It can be divided in two parts, 3956 and 944, that added together give a square (4900 = 70²).

The spelling of 3956944 in words is "three million, nine hundred fifty-six thousand, nine hundred forty-four".