2943109 has 16 divisors (see below), whose sum is σ = 3351040. Its totient is φ = 2566080.

The previous prime is 2943089. The next prime is 2943113. The reversal of 2943109 is 9013492.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2943109 - 2⁷ = 2942981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26947 + ... + 27055.

It is an arithmetic number, because the mean of its divisors is an integer number (209440).

2^2943109 is an apocalyptic number.

It is an amenable number.

2943109 is a deficient number, since it is larger than the sum of its proper divisors (407931).

2943109 is a wasteful number, since it uses less digits than its factorization.

2943109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2943109 is about 1715.5491832064. The cubic root of 2943109 is about 143.3074546152.

It can be divided in two parts, 294 and 3109, that added together give a triangular number (3403 = T₈₂).

The spelling of 2943109 in words is "two million, nine hundred forty-three thousand, one hundred nine".