4165589 has 6 divisors (see below), whose sum is σ = 4320630. Its totient is φ = 4011336.

The previous prime is 4165583. The next prime is 4165597. The reversal of 4165589 is 9855614.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 574564 = 1895^2 + 758^2 .

It is not a de Polignac number, because 4165589 - 2⁴ = 4165573 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 (4165583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10802 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (720105).

Almost surely, 2^4165589 is an apocalyptic number.

It is an amenable number.

4165589 is a deficient number, since it is larger than the sum of its proper divisors (155041).

4165589 is an frugal number, since it uses more digits than its factorization.

4165589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 408 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 4165589 is about 2040.9774619040. The cubic root of 4165589 is about 160.9010232284.

The spelling of 4165589 in words is "four million, one hundred sixty-five thousand, five hundred eighty-nine".