856005248 has 32 divisors (see below), whose sum is σ = 1948942560. Its totient is φ = 366859008.

The previous prime is 856005203. The next prime is 856005281. The reversal of 856005248 is 842500658.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 476786 + ... + 478577.

It is an arithmetic number, because the mean of its divisors is an integer number (60904455).

Almost surely, 2^856005248 is an apocalyptic number.

It is an amenable number.

856005248 is an abundant number, since it is smaller than the sum of its proper divisors (1092937312).

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

856005248 is an equidigital number, since it uses as much as digits as its factorization.

856005248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955384 (or 955372 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 856005248 is about 29257.5673629917. The cubic root of 856005248 is about 949.4938200953.

The spelling of 856005248 in words is "eight hundred fifty-six million, five thousand, two hundred forty-eight".