856030536 has 24 divisors (see below), whose sum is σ = 2318416230. Its totient is φ = 285343488.

The previous prime is 856030471. The next prime is 856030561. The reversal of 856030536 is 635030658.

856030536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 829094436 + 26936100 = 28794^2 + 5190^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 856030536.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5944585 + ... + 5944728.

Almost surely, 2^856030536 is an apocalyptic number.

It is an amenable number.

856030536 is an abundant number, since it is smaller than the sum of its proper divisors (1462385694).

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

856030536 is a wasteful number, since it uses less digits than its factorization.

856030536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889325 (or 11889318 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 856030536 is about 29257.9995214984. Note that the first 3 decimals coincide. The cubic root of 856030536 is about 949.5031699458.

The spelling of 856030536 in words is "eight hundred fifty-six million, thirty thousand, five hundred thirty-six".