2943956 has 12 divisors (see below), whose sum is σ = 5172468. Its totient is φ = 1466112.

The previous prime is 2943949. The next prime is 2943961. The reversal of 2943956 is 6593492.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 1768900 = 1084^2 + 1330^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 221 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (431039).

2^2943956 is an apocalyptic number.

It is an amenable number.

2943956 is a deficient number, since it is larger than the sum of its proper divisors (2228512).

2943956 is a wasteful number, since it uses less digits than its factorization.

2943956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).

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

The square root of 2943956 is about 1715.7960251732. The cubic root of 2943956 is about 143.3212008239.

The spelling of 2943956 in words is "two million, nine hundred forty-three thousand, nine hundred fifty-six".