4090165 has 8 divisors (see below), whose sum is σ = 5041080. Its totient is φ = 3183552.

The previous prime is 4090153. The next prime is 4090193. The reversal of 4090165 is 5610904.

It can be written as a sum of positive squares in 4 ways, for example, as 438244 + 3651921 = 662^2 + 1911^2 .

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 4090165 - 2⁵ = 4090133 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10870 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (630135).

Almost surely, 2^4090165 is an apocalyptic number.

It is an amenable number.

4090165 is a deficient number, since it is larger than the sum of its proper divisors (950915).

4090165 is a wasteful number, since it uses less digits than its factorization.

4090165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22151.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 4090165 is about 2022.4156348288. The cubic root of 4090165 is about 159.9239873312.

The spelling of 4090165 in words is "four million, ninety thousand, one hundred sixty-five".