856984110 has 32 divisors (see below), whose sum is σ = 2177749152. Its totient is φ = 215086080.

The previous prime is 856984061. The next prime is 856984111. The reversal of 856984110 is 11489658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856984111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839671 + ... + 840690.

It is an arithmetic number, because the mean of its divisors is an integer number (68054661).

Almost surely, 2^856984110 is an apocalyptic number.

856984110 is an abundant number, since it is smaller than the sum of its proper divisors (1320765042).

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

856984110 is a wasteful number, since it uses less digits than its factorization.

856984110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680388.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 856984110 is about 29274.2909393208. The cubic root of 856984110 is about 949.8556050160.

The spelling of 856984110 in words is "eight hundred fifty-six million, nine hundred eighty-four thousand, one hundred ten".