2857349856 has 48 divisors (see below), whose sum is σ = 7742504448. Its totient is φ = 921724800.

The previous prime is 2857349849. The next prime is 2857349909. The reversal of 2857349856 is 6589437582.

2857349856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2857349796 and 2857349805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477090 + ... + 483041.

It is an arithmetic number, because the mean of its divisors is an integer number (161302176).

Almost surely, 2^2857349856 is an apocalyptic number.

It is an amenable number.

2857349856 is an abundant number, since it is smaller than the sum of its proper divisors (4885154592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2857349856 is a wasteful number, since it uses less digits than its factorization.

2857349856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960175 (or 960167 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The square root of 2857349856 is about 53454.1846444224. The cubic root of 2857349856 is about 1419.0176794030.

The spelling of 2857349856 in words is "two billion, eight hundred fifty-seven million, three hundred forty-nine thousand, eight hundred fifty-six".