8165238 has 8 divisors (see below), whose sum is σ = 16330488. Its totient is φ = 2721744.

The previous prime is 8165221. The next prime is 8165239. The reversal of 8165238 is 8325618.

It is a happy number.

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

8165238 is an admirable number.

It is a super-2 number, since 2×8165238² = 133342223193288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 = 8165199 and 8165208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680431 + ... + 680442.

It is an arithmetic number, because the mean of its divisors is an integer number (2041311).

Almost surely, 2^8165238 is an apocalyptic number.

8165238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8165238 is a wasteful number, since it uses less digits than its factorization.

8165238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360878.

The product of its digits is 11520, while the sum is 33.

The square root of 8165238 is about 2857.4880577178. The cubic root of 8165238 is about 201.3676102286.

The spelling of 8165238 in words is "eight million, one hundred sixty-five thousand, two hundred thirty-eight".