84066189 has 8 divisors (see below), whose sum is σ = 112240512. Its totient is φ = 55968000.

The previous prime is 84066163. The next prime is 84066193. The reversal of 84066189 is 98166048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84066189 - 2⁷ = 84066061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84066189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84066149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16404 + ... + 20909.

It is an arithmetic number, because the mean of its divisors is an integer number (14030064).

Almost surely, 2^84066189 is an apocalyptic number.

It is an amenable number.

84066189 is a deficient number, since it is larger than the sum of its proper divisors (28174323).

84066189 is a wasteful number, since it uses less digits than its factorization.

84066189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38067.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 84066189 is about 9168.7615848598. The cubic root of 84066189 is about 438.0669139445.

It can be divided in two parts, 84066 and 189, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 84066189 in words is "eighty-four million, sixty-six thousand, one hundred eighty-nine".