285827856 has 40 divisors (see below), whose sum is σ = 739637184. Its totient is φ = 95114880.

The previous prime is 285827827. The next prime is 285827869. The reversal of 285827856 is 658728582.

It is a junction number, because it is equal to n+sod(n) for n = 285827799 and 285827808.

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, 25570 + ... + 35006.

Almost surely, 2^285827856 is an apocalyptic number.

It is an amenable number.

285827856 is an abundant number, since it is smaller than the sum of its proper divisors (453809328).

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

285827856 is a wasteful number, since it uses less digits than its factorization.

285827856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079 (or 10073 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 51.

The square root of 285827856 is about 16906.4442151506. Note that the first 3 decimals coincide. The cubic root of 285827856 is about 658.7210125425.

The spelling of 285827856 in words is "two hundred eighty-five million, eight hundred twenty-seven thousand, eight hundred fifty-six".