855285000 has 160 divisors (see below), whose sum is σ = 2813474400. Its totient is φ = 216000000.

The previous prime is 855284999. The next prime is 855285049. The reversal of 855285000 is 582558.

855285000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 283500 + ... + 286500.

It is an arithmetic number, because the mean of its divisors is an integer number (17584215).

Almost surely, 2^855285000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855285000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406737200).

855285000 is an abundant number, since it is smaller than the sum of its proper divisors (1958189400).

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

855285000 is a wasteful number, since it uses less digits than its factorization.

855285000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 855285000 is about 29245.2560255505. The cubic root of 855285000 is about 949.2274420871.

The spelling of 855285000 in words is "eight hundred fifty-five million, two hundred eighty-five thousand".