2971939 has 4 divisors (see below), whose sum is σ = 3067840. Its totient is φ = 2876040.

The previous prime is 2971909. The next prime is 2971963. The reversal of 2971939 is 9391792.

2971939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2971939 - 2¹⁵ = 2939171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2971909) 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 3 ways as a sum of consecutive naturals, for example, 47904 + ... + 47965.

It is an arithmetic number, because the mean of its divisors is an integer number (766960).

2^2971939 is an apocalyptic number.

2971939 is a deficient number, since it is larger than the sum of its proper divisors (95901).

2971939 is an equidigital number, since it uses as much as digits as its factorization.

2971939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95900.

The product of its digits is 30618, while the sum is 40.

The square root of 2971939 is about 1723.9312631309. The cubic root of 2971939 is about 143.7738702641.

The spelling of 2971939 in words is "two million, nine hundred seventy-one thousand, nine hundred thirty-nine".