4409990 has 16 divisors (see below), whose sum is σ = 8548848. Its totient is φ = 1628256.

The previous prime is 4409981. The next prime is 4410019. The reversal of 4409990 is 999044.

It is a self number, because there is not a number n which added to its sum of digits gives 4409990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16832 + ... + 17091.

It is an arithmetic number, because the mean of its divisors is an integer number (534303).

Almost surely, 2^4409990 is an apocalyptic number.

4409990 is a deficient number, since it is larger than the sum of its proper divisors (4138858).

4409990 is a wasteful number, since it uses less digits than its factorization.

4409990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33943.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4409990 is about 2099.9976190463. The cubic root of 4409990 is about 163.9881758281.

The spelling of 4409990 in words is "four million, four hundred nine thousand, nine hundred ninety".