2943091 has 8 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 2694528.

The previous prime is 2943089. The next prime is 2943113. The reversal of 2943091 is 1903492.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2943091 - 2¹ = 2943089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2943001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

2^2943091 is an apocalyptic number.

2943091 is a deficient number, since it is larger than the sum of its proper divisors (258029).

2943091 is a wasteful number, since it uses less digits than its factorization.

2943091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733.

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

The square root of 2943091 is about 1715.5439370649. The cubic root of 2943091 is about 143.3071624594.

The spelling of 2943091 in words is "two million, nine hundred forty-three thousand, ninety-one".