2947671 has 20 divisors (see below), whose sum is σ = 4450864. Its totient is φ = 1944000.

The previous prime is 2947669. The next prime is 2947673. The reversal of 2947671 is 1767492.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2947669) and next prime (2947673).

It is not a de Polignac number, because 2947671 - 2¹ = 2947669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947673) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12111 + ... + 12351.

2^2947671 is an apocalyptic number.

2947671 is a deficient number, since it is larger than the sum of its proper divisors (1503193).

2947671 is a wasteful number, since it uses less digits than its factorization.

2947671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 2947671 is about 1716.8782717479. The cubic root of 2947671 is about 143.3814615134.

The spelling of 2947671 in words is "two million, nine hundred forty-seven thousand, six hundred seventy-one".