4456449 has 6 divisors (see below), whose sum is σ = 6437106. Its totient is φ = 2970960.

The previous prime is 4456433. The next prime is 4456451. The reversal of 4456449 is 9446544.

4456449 is a `hidden beast` number, since 4 + 4 + 5 + 644 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 294849 = 2040^2 + 543^2 .

It is not a de Polignac number, because 4456449 - 2⁴ = 4456433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4456429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247572 + ... + 247589.

It is an arithmetic number, because the mean of its divisors is an integer number (1072851).

It is a Proth number, since it is equal to 17 ⋅ 2¹⁸ + 1 and 17 < 2¹⁸.

Almost surely, 2^4456449 is an apocalyptic number.

It is an amenable number.

4456449 is a deficient number, since it is larger than the sum of its proper divisors (1980657).

4456449 is a wasteful number, since it uses less digits than its factorization.

4456449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495167 (or 495164 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4456449 is about 2111.0303171674. The cubic root of 4456449 is about 164.5620341110.

The spelling of 4456449 in words is "four million, four hundred fifty-six thousand, four hundred forty-nine".