2647847 has 2 divisors, whose sum is σ = 2647848. Its totient is φ = 2647846.

The previous prime is 2647817. The next prime is 2647873. The reversal of 2647847 is 7487462.

2647847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2647847 - 2¹⁶ = 2582311 is a prime.

It is a super-2 number, since 2×2647847² = 14022187470818, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2647847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2647807) 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 as a sum of consecutive naturals, namely, 1323923 + 1323924.

It is an arithmetic number, because the mean of its divisors is an integer number (1323924).

2^2647847 is an apocalyptic number.

2647847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647847 is an equidigital number, since it uses as much as digits as its factorization.

2647847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 38.

The square root of 2647847 is about 1627.2206365456. The cubic root of 2647847 is about 138.3452637248.

The spelling of 2647847 in words is "two million, six hundred forty-seven thousand, eight hundred forty-seven".