4406649 has 16 divisors (see below), whose sum is σ = 6394752. Its totient is φ = 2683008.

The previous prime is 4406627. The next prime is 4406653. The reversal of 4406649 is 9466044.

It is not a de Polignac number, because 4406649 - 2²¹ = 2309497 is a prime.

4406649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4406659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (399672).

Almost surely, 2^4406649 is an apocalyptic number.

It is an amenable number.

4406649 is a deficient number, since it is larger than the sum of its proper divisors (1988103).

4406649 is a wasteful number, since it uses less digits than its factorization.

4406649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4406649 is about 2099.2019912338. The cubic root of 4406649 is about 163.9467529894.

The spelling of 4406649 in words is "four million, four hundred six thousand, six hundred forty-nine".