856984130 has 16 divisors (see below), whose sum is σ = 1561158144. Its totient is φ = 338663280.

The previous prime is 856984111. The next prime is 856984187. The reversal of 856984130 is 31489658.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515426 + ... + 517085.

It is an arithmetic number, because the mean of its divisors is an integer number (97572384).

Almost surely, 2^856984130 is an apocalyptic number.

856984130 is a deficient number, since it is larger than the sum of its proper divisors (704174014).

856984130 is a wasteful number, since it uses less digits than its factorization.

856984130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032601.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 856984130 is about 29274.2912809175. The cubic root of 856984130 is about 949.8556124051.

The spelling of 856984130 in words is "eight hundred fifty-six million, nine hundred eighty-four thousand, one hundred thirty".