2849857 has 2 divisors, whose sum is σ = 2849858. Its totient is φ = 2849856.

The previous prime is 2849849. The next prime is 2849887. The reversal of 2849857 is 7589482.

2849857 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., 1597696 + 1252161 = 1264^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2849857 - 2³ = 2849849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2849807) 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, 1424928 + 1424929.

It is an arithmetic number, because the mean of its divisors is an integer number (1424929).

2^2849857 is an apocalyptic number.

It is an amenable number.

2849857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2849857 is an equidigital number, since it uses as much as digits as its factorization.

2849857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 2849857 is about 1688.1519481374. The cubic root of 2849857 is about 141.7776225710. Note that the first 3 decimals are identical.

The spelling of 2849857 in words is "two million, eight hundred forty-nine thousand, eight hundred fifty-seven".