8189238 has 16 divisors (see below), whose sum is σ = 16427520. Its totient is φ = 2721576.

The previous prime is 8189231. The next prime is 8189243. The reversal of 8189238 is 8329818.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8189196 and 8189205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189231) 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, 343 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (1026720).

Almost surely, 2^8189238 is an apocalyptic number.

8189238 is an abundant number, since it is smaller than the sum of its proper divisors (8238282).

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

8189238 is a wasteful number, since it uses less digits than its factorization.

8189238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its digits is 27648, while the sum is 39.

The square root of 8189238 is about 2861.6844689798. The cubic root of 8189238 is about 201.5647098249.

The spelling of 8189238 in words is "eight million, one hundred eighty-nine thousand, two hundred thirty-eight".