4036489 has 2 divisors, whose sum is σ = 4036490. Its totient is φ = 4036488.

The previous prime is 4036457. The next prime is 4036517. The reversal of 4036489 is 9846304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 1710864 = 1525^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 4036489 - 2⁵ = 4036457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4036289) by changing a digit.

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 as a sum of consecutive naturals, namely, 2018244 + 2018245.

It is an arithmetic number, because the mean of its divisors is an integer number (2018245).

Almost surely, 2^4036489 is an apocalyptic number.

It is an amenable number.

4036489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4036489 is an equidigital number, since it uses as much as digits as its factorization.

4036489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4036489 is about 2009.1015404902. The cubic root of 4036489 is about 159.2213338286.

The spelling of 4036489 in words is "four million, thirty-six thousand, four hundred eighty-nine".