4409818 has 16 divisors (see below), whose sum is σ = 7596864. Its totient is φ = 1880640.

The previous prime is 4409809. The next prime is 4409849. The reversal of 4409818 is 8189044.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 4027.

It is an arithmetic number, because the mean of its divisors is an integer number (474804).

Almost surely, 2^4409818 is an apocalyptic number.

4409818 is a deficient number, since it is larger than the sum of its proper divisors (3187046).

4409818 is a wasteful number, since it uses less digits than its factorization.

4409818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 4409818 is about 2099.9566662196. The cubic root of 4409818 is about 163.9860438253.

The spelling of 4409818 in words is "four million, four hundred nine thousand, eight hundred eighteen".