2971947 has 8 divisors (see below), whose sum is σ = 4322880. Its totient is φ = 1801160.

The previous prime is 2971909. The next prime is 2971963. The reversal of 2971947 is 7491792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2971947 - 2⁶ = 2971883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2971987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44997 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (540360).

2^2971947 is an apocalyptic number.

2971947 is a deficient number, since it is larger than the sum of its proper divisors (1350933).

2971947 is a wasteful number, since it uses less digits than its factorization.

2971947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90073.

The product of its digits is 31752, while the sum is 39.

The square root of 2971947 is about 1723.9335834074. The cubic root of 2971947 is about 143.7739992697.

The spelling of 2971947 in words is "two million, nine hundred seventy-one thousand, nine hundred forty-seven".