84189044 has 12 divisors (see below), whose sum is σ = 147411264. Its totient is φ = 42071544.

The previous prime is 84189043. The next prime is 84189071. The reversal of 84189044 is 44098148.

It is a junction number, because it is equal to n+sod(n) for n = 84188989 and 84189007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84189043) 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, 4547 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (12284272).

Almost surely, 2^84189044 is an apocalyptic number.

It is an amenable number.

84189044 is a deficient number, since it is larger than the sum of its proper divisors (63222220).

84189044 is a wasteful number, since it uses less digits than its factorization.

84189044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494 (or 11492 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 84189044 is about 9175.4587896192. The cubic root of 84189044 is about 438.2802082371.

The spelling of 84189044 in words is "eighty-four million, one hundred eighty-nine thousand, forty-four".