4494009 has 16 divisors (see below), whose sum is σ = 6507200. Its totient is φ = 2742336.

The previous prime is 4493939. The next prime is 4494019. The reversal of 4494009 is 9004944.

It is a de Polignac number, because none of the positive numbers 2^k-4494009 is a prime.

It is a super-2 number, since 2×4494009² = 40392233784162, which contains 22 as substring.

It is a Duffinian number.

4494009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4494019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5007 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (406700).

Almost surely, 2^4494009 is an apocalyptic number.

It is an amenable number.

4494009 is a deficient number, since it is larger than the sum of its proper divisors (2013191).

4494009 is a wasteful number, since it uses less digits than its factorization.

4494009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4494009 is about 2119.9077810131. The cubic root of 4494009 is about 165.0230638100.

The spelling of 4494009 in words is "four million, four hundred ninety-four thousand, nine".