2971971 has 10 divisors (see below), whose sum is σ = 4439732. Its totient is φ = 1981260.

The previous prime is 2971963. The next prime is 2971973. The reversal of 2971971 is 1791792.

2971971 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 2971971 - 2³ = 2971963 is a prime.

It is a super-2 number, since 2×2971971² = 17665223249682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2971973) 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 9 ways as a sum of consecutive naturals, for example, 18265 + ... + 18426.

2^2971971 is an apocalyptic number.

2971971 is a deficient number, since it is larger than the sum of its proper divisors (1467761).

2971971 is an equidigital number, since it uses as much as digits as its factorization.

2971971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36703 (or 36694 counting only the distinct ones).

The product of its digits is 7938, while the sum is 36.

The square root of 2971971 is about 1723.9405442184. The cubic root of 2971971 is about 143.7743862850.

The spelling of 2971971 in words is "two million, nine hundred seventy-one thousand, nine hundred seventy-one".