4067489 has 2 divisors, whose sum is σ = 4067490. Its totient is φ = 4067488.

The previous prime is 4067477. The next prime is 4067509. The reversal of 4067489 is 9847604.

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., 2608225 + 1459264 = 1615^2 + 1208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4067489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4061489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033744 + 2033745.

It is an arithmetic number, because the mean of its divisors is an integer number (2033745).

Almost surely, 2^4067489 is an apocalyptic number.

It is an amenable number.

4067489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4067489 is an equidigital number, since it uses as much as digits as its factorization.

4067489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4067489 is about 2016.8016759216. The cubic root of 4067489 is about 159.6278983188.

The spelling of 4067489 in words is "four million, sixty-seven thousand, four hundred eighty-nine".