4391165 has 8 divisors (see below), whose sum is σ = 5281848. Its totient is φ = 3504640.

The previous prime is 4391161. The next prime is 4391221. The reversal of 4391165 is 5611934.

It can be written as a sum of positive squares in 4 ways, for example, as 498436 + 3892729 = 706^2 + 1973^2 .

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

It is not a de Polignac number, because 4391165 - 2² = 4391161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391161) 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, 2225 + ... + 3705.

It is an arithmetic number, because the mean of its divisors is an integer number (660231).

Almost surely, 2^4391165 is an apocalyptic number.

It is an amenable number.

4391165 is a deficient number, since it is larger than the sum of its proper divisors (890683).

4391165 is a wasteful number, since it uses less digits than its factorization.

4391165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its digits is 3240, while the sum is 29.

The square root of 4391165 is about 2095.5106776154. The cubic root of 4391165 is about 163.7545033045.

The spelling of 4391165 in words is "four million, three hundred ninety-one thousand, one hundred sixty-five".