2943005 has 16 divisors (see below), whose sum is σ = 4005120. Its totient is φ = 2058048.

The previous prime is 2943001. The next prime is 2943079. The reversal of 2943005 is 5003492.

2943005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2943005 - 2² = 2943001 is a prime.

It is a super-2 number, since 2×2943005² = 17322556860050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943001) 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, 44 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (250320).

2^2943005 is an apocalyptic number.

It is an amenable number.

2943005 is a deficient number, since it is larger than the sum of its proper divisors (1062115).

2943005 is a wasteful number, since it uses less digits than its factorization.

2943005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2943005 is about 1715.5188719452. The cubic root of 2943005 is about 143.3057665872.

Adding to 2943005 its reverse (5003492), we get a palindrome (7946497).

It can be divided in two parts, 29 and 43005, that added together give a palindrome (43034).

The spelling of 2943005 in words is "two million, nine hundred forty-three thousand, five".