4649909 has 12 divisors (see below), whose sum is σ = 5183808. Its totient is φ = 4167240.

The previous prime is 4649903. The next prime is 4649923. The reversal of 4649909 is 9099464.

It is not a de Polignac number, because 4649909 - 2⁴ = 4649893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9812 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (431984).

Almost surely, 2^4649909 is an apocalyptic number.

It is an amenable number.

4649909 is a deficient number, since it is larger than the sum of its proper divisors (533899).

4649909 is a wasteful number, since it uses less digits than its factorization.

4649909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 4649909 is about 2156.3647650618. The cubic root of 4649909 is about 166.9096646508.

The spelling of 4649909 in words is "four million, six hundred forty-nine thousand, nine hundred nine".