4490109 has 12 divisors (see below), whose sum is σ = 6984796. Its totient is φ = 2763072.

The previous prime is 4490081. The next prime is 4490113. The reversal of 4490109 is 9010944.

4490109 = 403² + 404² + ... + 428².

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 4284900 = 453^2 + 2070^2 .

It is not a de Polignac number, because 4490109 - 2⁷ = 4489981 is a prime.

It is a super-2 number, since 2×4490109² = 40322157663762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490119) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19072 + ... + 19305.

Almost surely, 2^4490109 is an apocalyptic number.

It is an amenable number.

4490109 is a deficient number, since it is larger than the sum of its proper divisors (2494687).

4490109 is a wasteful number, since it uses less digits than its factorization.

4490109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38396 (or 38393 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4490109 is about 2118.9877300258. The cubic root of 4490109 is about 164.9753131110.

The spelling of 4490109 in words is "four million, four hundred ninety thousand, one hundred nine".