4449481 has 2 divisors, whose sum is σ = 4449482. Its totient is φ = 4449480.

The previous prime is 4449479. The next prime is 4449491. The reversal of 4449481 is 1849444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 1600 = 2109^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 4449481 - 2¹ = 4449479 is a prime.

It is a super-2 number, since 2×4449481² = 39595762338722, which contains 22 as substring.

Together with 4449479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4449421) 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, 2224740 + 2224741.

It is an arithmetic number, because the mean of its divisors is an integer number (2224741).

Almost surely, 2^4449481 is an apocalyptic number.

It is an amenable number.

4449481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449481 is an equidigital number, since it uses as much as digits as its factorization.

4449481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 4449481 is about 2109.3792925882. The cubic root of 4449481 is about 164.4762209140.

The spelling of 4449481 in words is "four million, four hundred forty-nine thousand, four hundred eighty-one".