4549909 has 8 divisors (see below), whose sum is σ = 5600000. Its totient is φ = 3599856.

The previous prime is 4549861. The next prime is 4549933. The reversal of 4549909 is 9099454.

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

It is not a de Polignac number, because 4549909 - 2²¹ = 2452757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4549939) 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 7 ways as a sum of consecutive naturals, for example, 24909 + ... + 25090.

It is an arithmetic number, because the mean of its divisors is an integer number (700000).

Almost surely, 2^4549909 is an apocalyptic number.

It is an amenable number.

4549909 is a deficient number, since it is larger than the sum of its proper divisors (1050091).

4549909 is a wasteful number, since it uses less digits than its factorization.

4549909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50019.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4549909 is about 2133.0515699345. The cubic root of 4549909 is about 165.7044749231.

The spelling of 4549909 in words is "four million, five hundred forty-nine thousand, nine hundred nine".