4450445 has 16 divisors (see below), whose sum is σ = 5514480. Its totient is φ = 3446784.

The previous prime is 4450441. The next prime is 4450487. The reversal of 4450445 is 5440544.

It can be written as a sum of positive squares in 8 ways, for example, as 111556 + 4338889 = 334^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450445 - 2² = 4450441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450441) 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, 32417 + ... + 32553.

It is an arithmetic number, because the mean of its divisors is an integer number (344655).

Almost surely, 2^4450445 is an apocalyptic number.

It is an amenable number.

4450445 is a deficient number, since it is larger than the sum of its proper divisors (1064035).

4450445 is a wasteful number, since it uses less digits than its factorization.

4450445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4450445 is about 2109.6077834517. The cubic root of 4450445 is about 164.4880982264.

Adding to 4450445 its reverse (5440544), we get a palindrome (9890989).

Subtracting 4450445 from its reverse (5440544), we obtain a palindrome (990099).

The spelling of 4450445 in words is "four million, four hundred fifty thousand, four hundred forty-five".