2971923 has 16 divisors (see below), whose sum is σ = 4417920. Its totient is φ = 1766016.

The previous prime is 2971909. The next prime is 2971963. The reversal of 2971923 is 3291792.

2971923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2971923 - 2¹² = 2967827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2971963) 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 15 ways as a sum of consecutive naturals, for example, 565 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (276120).

2^2971923 is an apocalyptic number.

2971923 is a deficient number, since it is larger than the sum of its proper divisors (1445997).

2971923 is a wasteful number, since it uses less digits than its factorization.

2971923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its digits is 6804, while the sum is 33.

The square root of 2971923 is about 1723.9266225684. The cubic root of 2971923 is about 143.7736122523.

The spelling of 2971923 in words is "two million, nine hundred seventy-one thousand, nine hundred twenty-three".