8378165 has 8 divisors (see below), whose sum is σ = 10073760. Its totient is φ = 6689232.

The previous prime is 8378147. The next prime is 8378171. The reversal of 8378165 is 5618738.

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

It is a cyclic number.

It is not a de Polignac number, because 8378165 - 2⁶ = 8378101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (1259220).

Almost surely, 2^8378165 is an apocalyptic number.

It is an amenable number.

8378165 is a deficient number, since it is larger than the sum of its proper divisors (1695595).

8378165 is a wasteful number, since it uses less digits than its factorization.

8378165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 40320, while the sum is 38.

The square root of 8378165 is about 2894.5060027576. The cubic root of 8378165 is about 203.1029834915.

The spelling of 8378165 in words is "eight million, three hundred seventy-eight thousand, one hundred sixty-five".