4449904 has 10 divisors (see below), whose sum is σ = 8621720. Its totient is φ = 2224944.

The previous prime is 4449901. The next prime is 4449919. The reversal of 4449904 is 4099444.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4449904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449901) 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 as a sum of consecutive naturals, namely, 139044 + ... + 139075.

It is an arithmetic number, because the mean of its divisors is an integer number (862172).

Almost surely, 2^4449904 is an apocalyptic number.

It is an amenable number.

4449904 is a deficient number, since it is larger than the sum of its proper divisors (4171816).

4449904 is a wasteful number, since it uses less digits than its factorization.

4449904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278127 (or 278121 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4449904 is about 2109.4795566679. The cubic root of 4449904 is about 164.4814328505.

The spelling of 4449904 in words is "four million, four hundred forty-nine thousand, nine hundred four".