4043956 has 12 divisors (see below), whose sum is σ = 8087968. Its totient is φ = 1733112.

The previous prime is 4043917. The next prime is 4043957. The reversal of 4043956 is 6593404.

4043956 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

4043956 is a modest number, since divided by 43956 gives 4 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72186 + ... + 72241.

Almost surely, 2^4043956 is an apocalyptic number.

It is an amenable number.

4043956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4043956 is a wasteful number, since it uses less digits than its factorization.

4043956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144438 (or 144436 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4043956 is about 2010.9589752156. The cubic root of 4043956 is about 159.3194532044.

The spelling of 4043956 in words is "four million, forty-three thousand, nine hundred fifty-six".