4448749 has 2 divisors, whose sum is σ = 4448750. Its totient is φ = 4448748.

The previous prime is 4448723. The next prime is 4448797. The reversal of 4448749 is 9478444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 1946025 = 1582^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 4448749 - 2¹⁹ = 3924461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4448149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224374 + 2224375.

It is an arithmetic number, because the mean of its divisors is an integer number (2224375).

Almost surely, 2^4448749 is an apocalyptic number.

It is an amenable number.

4448749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4448749 is an equidigital number, since it uses as much as digits as its factorization.

4448749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 4448749 is about 2109.2057746934. The cubic root of 4448749 is about 164.4672008960.

The spelling of 4448749 in words is "four million, four hundred forty-eight thousand, seven hundred forty-nine".