2856187356 has 48 divisors (see below), whose sum is σ = 7504831488. Its totient is φ = 837590400.

The previous prime is 2856187349. The next prime is 2856187379. The reversal of 2856187356 is 6537816582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2856187299 and 2856187308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344905 + ... + 353088.

It is an arithmetic number, because the mean of its divisors is an integer number (156350656).

Almost surely, 2^2856187356 is an apocalyptic number.

It is an amenable number.

2856187356 is an abundant number, since it is smaller than the sum of its proper divisors (4648644132).

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

2856187356 is a wasteful number, since it uses less digits than its factorization.

2856187356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698042 (or 698040 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 2856187356 is about 53443.3097403220. The cubic root of 2856187356 is about 1418.8252129688.

The spelling of 2856187356 in words is "two billion, eight hundred fifty-six million, one hundred eighty-seven thousand, three hundred fifty-six".