2857439852 has 12 divisors (see below), whose sum is σ = 5075154840. Its totient is φ = 1407395616.

The previous prime is 2857439843. The next prime is 2857439863. The reversal of 2857439852 is 2589347582.

It is a junction number, because it is equal to n+sod(n) for n = 2857439794 and 2857439803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330777 + ... + 5331312.

It is an arithmetic number, because the mean of its divisors is an integer number (422929570).

Almost surely, 2^2857439852 is an apocalyptic number.

It is an amenable number.

2857439852 is a deficient number, since it is larger than the sum of its proper divisors (2217714988).

2857439852 is a wasteful number, since it uses less digits than its factorization.

2857439852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662160 (or 10662158 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The square root of 2857439852 is about 53455.0264427958. The cubic root of 2857439852 is about 1419.0325771907.

The spelling of 2857439852 in words is "two billion, eight hundred fifty-seven million, four hundred thirty-nine thousand, eight hundred fifty-two".