2943971 has 2 divisors, whose sum is σ = 2943972. Its totient is φ = 2943970.

The previous prime is 2943961. The next prime is 2944003. The reversal of 2943971 is 1793492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2943971 - 2¹⁸ = 2681827 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2943911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471985 + 1471986.

It is an arithmetic number, because the mean of its divisors is an integer number (1471986).

2^2943971 is an apocalyptic number.

2943971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943971 is an equidigital number, since it uses as much as digits as its factorization.

2943971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 2943971 is about 1715.8003963165. The cubic root of 2943971 is about 143.3214442395.

The spelling of 2943971 in words is "two million, nine hundred forty-three thousand, nine hundred seventy-one".