4494909 has 4 divisors (see below), whose sum is σ = 5993216. Its totient is φ = 2996604.

The previous prime is 4494901. The next prime is 4494923. The reversal of 4494909 is 9094944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4494909 - 2³ = 4494901 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494901) 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 3 ways as a sum of consecutive naturals, for example, 749149 + ... + 749154.

It is an arithmetic number, because the mean of its divisors is an integer number (1498304).

Almost surely, 2^4494909 is an apocalyptic number.

It is an amenable number.

4494909 is a deficient number, since it is larger than the sum of its proper divisors (1498307).

4494909 is a wasteful number, since it uses less digits than its factorization.

4494909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498306.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4494909 is about 2120.1200437711. The cubic root of 4494909 is about 165.0340792785.

The spelling of 4494909 in words is "four million, four hundred ninety-four thousand, nine hundred nine".