2855747 has 2 divisors, whose sum is σ = 2855748. Its totient is φ = 2855746.

The previous prime is 2855731. The next prime is 2855761. The reversal of 2855747 is 7475582.

2855747 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 2855747 - 2⁴ = 2855731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2855747.

It is not a weakly prime, because it can be changed into another prime (2855707) 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, 1427873 + 1427874.

It is an arithmetic number, because the mean of its divisors is an integer number (1427874).

2^2855747 is an apocalyptic number.

2855747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855747 is an equidigital number, since it uses as much as digits as its factorization.

2855747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 38.

The square root of 2855747 is about 1689.8955589030. The cubic root of 2855747 is about 141.8752292880.

The spelling of 2855747 in words is "two million, eight hundred fifty-five thousand, seven hundred forty-seven".