851084224 has 28 divisors (see below), whose sum is σ = 1712014864. Its totient is φ = 419710464.

The previous prime is 851084219. The next prime is 851084281. The reversal of 851084224 is 422480158.

It is a self number, because there is not a number n which added to its sum of digits gives 851084224.

It is a congruent number.

It is an unprimeable number.

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, 86412 + ... + 95755.

It is an arithmetic number, because the mean of its divisors is an integer number (61143388).

Almost surely, 2^851084224 is an apocalyptic number.

It is an amenable number.

851084224 is an abundant number, since it is smaller than the sum of its proper divisors (860930640).

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

851084224 is a wasteful number, since it uses less digits than its factorization.

851084224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182252 (or 182242 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 851084224 is about 29173.3478366813. The cubic root of 851084224 is about 947.6708311384.

The spelling of 851084224 in words is "eight hundred fifty-one million, eighty-four thousand, two hundred twenty-four".