4489090 has 16 divisors (see below), whose sum is σ = 8278200. Its totient is φ = 1751680.

The previous prime is 4489081. The next prime is 4489103. The reversal of 4489090 is 909844.

It can be written as a sum of positive squares in 4 ways, for example, as 1216609 + 3272481 = 1103^2 + 1809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5065 + ... + 5884.

Almost surely, 2^4489090 is an apocalyptic number.

4489090 is a deficient number, since it is larger than the sum of its proper divisors (3789110).

4489090 is a wasteful number, since it uses less digits than its factorization.

4489090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4489090 is about 2118.7472713847. The cubic root of 4489090 is about 164.9628321547.

It can be divided in two parts, 44890 and 90, that multiplied together give a square (4040100 = 2010²).

The spelling of 4489090 in words is "four million, four hundred eighty-nine thousand, ninety".