855485036 has 48 divisors (see below), whose sum is σ = 1773925440. Its totient is φ = 353203200.

The previous prime is 855484991. The next prime is 855485039. The reversal of 855485036 is 630584558.

It is not an unprimeable number, because it can be changed into a prime (855485039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487136 + ... + 488888.

It is an arithmetic number, because the mean of its divisors is an integer number (36956780).

Almost surely, 2^855485036 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 855485036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886962720).

855485036 is an abundant number, since it is smaller than the sum of its proper divisors (918440404).

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

855485036 is a wasteful number, since it uses less digits than its factorization.

855485036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 855485036 is about 29248.6757990853. The cubic root of 855485036 is about 949.3014388092.

The spelling of 855485036 in words is "eight hundred fifty-five million, four hundred eighty-five thousand, thirty-six".