856984048 has 20 divisors (see below), whose sum is σ = 1732598928. Its totient is φ = 409861760.

The previous prime is 856984033. The next prime is 856984049. The reversal of 856984048 is 840489658.

It is a junction number, because it is equal to n+sod(n) for n = 856983986 and 856984004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856984049) 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 3 ways as a sum of consecutive naturals, for example, 1164013 + ... + 1164748.

Almost surely, 2^856984048 is an apocalyptic number.

It is an amenable number.

856984048 is an abundant number, since it is smaller than the sum of its proper divisors (875614880).

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

856984048 is a wasteful number, since it uses less digits than its factorization.

856984048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328792 (or 2328786 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 856984048 is about 29274.2898803711. The cubic root of 856984048 is about 949.8555821097.

The spelling of 856984048 in words is "eight hundred fifty-six million, nine hundred eighty-four thousand, forty-eight".