8189445 has 16 divisors (see below), whose sum is σ = 14294592. Its totient is φ = 3970560.

The previous prime is 8189443. The next prime is 8189453. The reversal of 8189445 is 5449818.

It is not a de Polignac number, because 8189445 - 2¹ = 8189443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189443) 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 15 ways as a sum of consecutive naturals, for example, 24652 + ... + 24981.

It is an arithmetic number, because the mean of its divisors is an integer number (893412).

Almost surely, 2^8189445 is an apocalyptic number.

It is an amenable number.

8189445 is a deficient number, since it is larger than the sum of its proper divisors (6105147).

8189445 is a wasteful number, since it uses less digits than its factorization.

8189445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49652.

The product of its digits is 46080, while the sum is 39.

The square root of 8189445 is about 2861.7206362606. The cubic root of 8189445 is about 201.5664081329.

The spelling of 8189445 in words is "eight million, one hundred eighty-nine thousand, four hundred forty-five".