2706857 has 2 divisors, whose sum is σ = 2706858. Its totient is φ = 2706856.

The previous prime is 2706841. The next prime is 2706923. The reversal of 2706857 is 7586072.

2706857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 913936 = 1339^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706857 - 2⁴ = 2706841 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2706817) 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, 1353428 + 1353429.

It is an arithmetic number, because the mean of its divisors is an integer number (1353429).

2^2706857 is an apocalyptic number.

It is an amenable number.

2706857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706857 is an equidigital number, since it uses as much as digits as its factorization.

2706857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2706857 is about 1645.2528681027. The cubic root of 2706857 is about 139.3654445244.

The spelling of 2706857 in words is "two million, seven hundred six thousand, eight hundred fifty-seven".