2949871 has 2 divisors, whose sum is σ = 2949872. Its totient is φ = 2949870.

The previous prime is 2949841. The next prime is 2949887. The reversal of 2949871 is 1789492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2949871 - 2⁵ = 2949839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2949841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474935 + 1474936.

It is an arithmetic number, because the mean of its divisors is an integer number (1474936).

2^2949871 is an apocalyptic number.

2949871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949871 is an equidigital number, since it uses as much as digits as its factorization.

2949871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 2949871 is about 1717.5188499693. The cubic root of 2949871 is about 143.4171236539.

The spelling of 2949871 in words is "two million, nine hundred forty-nine thousand, eight hundred seventy-one".