2647671 has 16 divisors (see below), whose sum is σ = 3934560. Its totient is φ = 1572480.

The previous prime is 2647649. The next prime is 2647681. The reversal of 2647671 is 1767462.

It is not a de Polignac number, because 2647671 - 2⁶ = 2647607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (245910).

2^2647671 is an apocalyptic number.

2647671 is a deficient number, since it is larger than the sum of its proper divisors (1286889).

2647671 is a wasteful number, since it uses less digits than its factorization.

2647671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its digits is 14112, while the sum is 33.

The square root of 2647671 is about 1627.1665557035. The cubic root of 2647671 is about 138.3421984287.

The spelling of 2647671 in words is "two million, six hundred forty-seven thousand, six hundred seventy-one".