4489509 has 8 divisors (see below), whose sum is σ = 6023392. Its totient is φ = 2974320.

The previous prime is 4489493. The next prime is 4489517. The reversal of 4489509 is 9059844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4489509 - 2⁴ = 4489493 is a prime.

It is a super-2 number, since 2×4489509² = 40311382122162, which contains 22 as substring.

It is a Duffinian number.

4489509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489549) 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 7 ways as a sum of consecutive naturals, for example, 4102 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (752924).

Almost surely, 2^4489509 is an apocalyptic number.

It is an amenable number.

4489509 is a deficient number, since it is larger than the sum of its proper divisors (1533883).

4489509 is a wasteful number, since it uses less digits than its factorization.

4489509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9347.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4489509 is about 2118.8461482609. The cubic root of 4489509 is about 164.9679643958.

The spelling of 4489509 in words is "four million, four hundred eighty-nine thousand, five hundred nine".