84544816 has 20 divisors (see below), whose sum is σ = 164498400. Its totient is φ = 42093632.

The previous prime is 84544793. The next prime is 84544819. The reversal of 84544816 is 61844548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84544819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231 + ... + 14878.

It is an arithmetic number, because the mean of its divisors is an integer number (8224920).

Almost surely, 2^84544816 is an apocalyptic number.

It is an amenable number.

84544816 is a deficient number, since it is larger than the sum of its proper divisors (79953584).

84544816 is a wasteful number, since it uses less digits than its factorization.

84544816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356 (or 22350 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 84544816 is about 9194.8255013350. The cubic root of 84544816 is about 438.8967124339.

The spelling of 84544816 in words is "eighty-four million, five hundred forty-four thousand, eight hundred sixteen".