4489866 has 12 divisors (see below), whose sum is σ = 9728082. Its totient is φ = 1496616.

The previous prime is 4489861. The next prime is 4489883. The reversal of 4489866 is 6689844.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 16641 = 2115^2 + 129^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4489861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124701 + ... + 124736.

Almost surely, 2^4489866 is an apocalyptic number.

4489866 is an abundant number, since it is smaller than the sum of its proper divisors (5238216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4489866 is a wasteful number, since it uses less digits than its factorization.

4489866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249445 (or 249442 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 4489866 is about 2118.9303905509. The cubic root of 4489866 is about 164.9723369602.

The spelling of 4489866 in words is "four million, four hundred eighty-nine thousand, eight hundred sixty-six".