84122844 has 48 divisors (see below), whose sum is σ = 212032800. Its totient is φ = 25804800.

The previous prime is 84122839. The next prime is 84122869. The reversal of 84122844 is 44822148.

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 15 ways as a sum of consecutive naturals, for example, 69444 + ... + 70644.

It is an arithmetic number, because the mean of its divisors is an integer number (4417350).

Almost surely, 2^84122844 is an apocalyptic number.

It is an amenable number.

84122844 is an abundant number, since it is smaller than the sum of its proper divisors (127909956).

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

84122844 is a wasteful number, since it uses less digits than its factorization.

84122844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1668 counting only the distinct ones).

The product of its digits is 16384, while the sum is 33.

The square root of 84122844 is about 9171.8506311431. The cubic root of 84122844 is about 438.1653011321.

The spelling of 84122844 in words is "eighty-four million, one hundred twenty-two thousand, eight hundred forty-four".