4004449 has 2 divisors, whose sum is σ = 4004450. Its totient is φ = 4004448.

The previous prime is 4004417. The next prime is 4004453. The reversal of 4004449 is 9444004.

4004449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 32400 = 1993^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004449 - 2⁵ = 4004417 is a prime.

It is a super-2 number, since 2×4004449² = 32071223587202, which contains 22 as substring.

4004449 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4004489) 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, 2002224 + 2002225.

It is an arithmetic number, because the mean of its divisors is an integer number (2002225).

Almost surely, 2^4004449 is an apocalyptic number.

It is an amenable number.

4004449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004449 is an equidigital number, since it uses as much as digits as its factorization.

4004449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4004449 is about 2001.1119408969. Note that the first 3 decimals coincide. The cubic root of 4004449 is about 158.7989362846.

The spelling of 4004449 in words is "four million, four thousand, four hundred forty-nine".