4489999 has 2 divisors, whose sum is σ = 4490000. Its totient is φ = 4489998.

The previous prime is 4489981. The next prime is 4490029. The reversal of 4489999 is 9999844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4489999 - 2⁵ = 4489967 is a prime.

4489999 is a modest number, since divided by 9999 gives 448 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4489799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244999 + 2245000.

It is an arithmetic number, because the mean of its divisors is an integer number (2245000).

Almost surely, 2^4489999 is an apocalyptic number.

4489999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4489999 is an equidigital number, since it uses as much as digits as its factorization.

4489999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The square root of 4489999 is about 2118.9617740771. The cubic root of 4489999 is about 164.9739658956.

The spelling of 4489999 in words is "four million, four hundred eighty-nine thousand, nine hundred ninety-nine".