4499409 has 16 divisors (see below), whose sum is σ = 6363200. Its totient is φ = 2820096.

The previous prime is 4499401. The next prime is 4499423. The reversal of 4499409 is 9049944.

It is a happy number.

It is not a de Polignac number, because 4499409 - 2³ = 4499401 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4499401) 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 in 15 ways as a sum of consecutive naturals, for example, 10797 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (397700).

Almost surely, 2^4499409 is an apocalyptic number.

It is an amenable number.

4499409 is a deficient number, since it is larger than the sum of its proper divisors (1863791).

4499409 is a wasteful number, since it uses less digits than its factorization.

4499409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4499409 is about 2121.1810389498. The cubic root of 4499409 is about 165.0891345764.

The spelling of 4499409 in words is "four million, four hundred ninety-nine thousand, four hundred nine".