5489909 has 4 divisors (see below), whose sum is σ = 5546604. Its totient is φ = 5433216.

The previous prime is 5489881. The next prime is 5489921. The reversal of 5489909 is 9099845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 3591025 = 1378^2 + 1895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5489909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5489909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5489959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28202 + ... + 28395.

It is an arithmetic number, because the mean of its divisors is an integer number (1386651).

Almost surely, 2^5489909 is an apocalyptic number.

It is an amenable number.

5489909 is a deficient number, since it is larger than the sum of its proper divisors (56695).

5489909 is an equidigital number, since it uses as much as digits as its factorization.

5489909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56694.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 5489909 is about 2343.0554837647. The cubic root of 5489909 is about 176.4093969041.

The spelling of 5489909 in words is "five million, four hundred eighty-nine thousand, nine hundred nine".