2782847 has 2 divisors, whose sum is σ = 2782848. Its totient is φ = 2782846.

The previous prime is 2782841. The next prime is 2782859. The reversal of 2782847 is 7482872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2782847 - 2⁶ = 2782783 is a prime.

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 2782847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2782841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391423 + 1391424.

It is an arithmetic number, because the mean of its divisors is an integer number (1391424).

2^2782847 is an apocalyptic number.

2782847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782847 is an equidigital number, since it uses as much as digits as its factorization.

2782847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 38.

The square root of 2782847 is about 1668.1867401463. The cubic root of 2782847 is about 140.6575698716.

It can be divided in two parts, 278 and 2847, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2782847 in words is "two million, seven hundred eighty-two thousand, eight hundred forty-seven".