4165489 has 2 divisors, whose sum is σ = 4165490. Its totient is φ = 4165488.

The previous prime is 4165463. The next prime is 4165517. The reversal of 4165489 is 9845614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4133089 + 32400 = 2033^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4165489 - 2⁷ = 4165361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4265489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082744 + 2082745.

It is an arithmetic number, because the mean of its divisors is an integer number (2082745).

Almost surely, 2^4165489 is an apocalyptic number.

It is an amenable number.

4165489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165489 is an equidigital number, since it uses as much as digits as its factorization.

4165489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 4165489 is about 2040.9529636912. The cubic root of 4165489 is about 160.8997356769.

The spelling of 4165489 in words is "four million, one hundred sixty-five thousand, four hundred eighty-nine".