8165798 has 8 divisors (see below), whose sum is σ = 12265992. Its totient is φ = 4077136.

The previous prime is 8165779. The next prime is 8165809. The reversal of 8165798 is 8975618.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 815 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (1533249).

Almost surely, 2^8165798 is an apocalyptic number.

8165798 is a deficient number, since it is larger than the sum of its proper divisors (4100194).

8165798 is a wasteful number, since it uses less digits than its factorization.

8165798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766.

The product of its digits is 120960, while the sum is 44.

The square root of 8165798 is about 2857.5860441988. The cubic root of 8165798 is about 201.3722136170.

The spelling of 8165798 in words is "eight million, one hundred sixty-five thousand, seven hundred ninety-eight".