4644009 has 24 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 2878848.

The previous prime is 4644001. The next prime is 4644011. The reversal of 4644009 is 9004464.

It is not a de Polignac number, because 4644009 - 2³ = 4644001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4644001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19312 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (299520).

Almost surely, 2^4644009 is an apocalyptic number.

It is an amenable number.

4644009 is a deficient number, since it is larger than the sum of its proper divisors (2544471).

4644009 is a wasteful number, since it uses less digits than its factorization.

4644009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4644009 is about 2154.9962876998. The cubic root of 4644009 is about 166.8390407727.

The spelling of 4644009 in words is "four million, six hundred forty-four thousand, nine".