2842857 has 12 divisors (see below), whose sum is σ = 4258800. Its totient is φ = 1895076.

The previous prime is 2842849. The next prime is 2842871. The reversal of 2842857 is 7582482.

It is a happy number.

2842857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2842857 - 2³ = 2842849 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2842897) 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 in 11 ways as a sum of consecutive naturals, for example, 5607 + ... + 6092.

It is an arithmetic number, because the mean of its divisors is an integer number (354900).

2^2842857 is an apocalyptic number.

2842857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2842857 is a deficient number, since it is larger than the sum of its proper divisors (1415943).

2842857 is an equidigital number, since it uses as much as digits as its factorization.

2842857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714 (or 11702 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2842857 is about 1686.0774003586. The cubic root of 2842857 is about 141.6614463282.

The spelling of 2842857 in words is "two million, eight hundred forty-two thousand, eight hundred fifty-seven".