2664847 has 2 divisors, whose sum is σ = 2664848. Its totient is φ = 2664846.

The previous prime is 2664829. The next prime is 2664859. The reversal of 2664847 is 7484662.

2664847 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 2664847 - 2¹⁵ = 2632079 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁵ + 6⁷ + 4⁵ + 8 + 4⁹ + 7⁵ .

2664847 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664817) 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, 1332423 + 1332424.

It is an arithmetic number, because the mean of its divisors is an integer number (1332424).

2^2664847 is an apocalyptic number.

2664847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664847 is an equidigital number, since it uses as much as digits as its factorization.

2664847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 2664847 is about 1632.4359099211. The cubic root of 2664847 is about 138.6407055329.

The spelling of 2664847 in words is "two million, six hundred sixty-four thousand, eight hundred forty-seven".