4430749 has 2 divisors, whose sum is σ = 4430750. Its totient is φ = 4430748.

The previous prime is 4430731. The next prime is 4430753. The reversal of 4430749 is 9470344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 1708249 = 1650^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430749 - 2¹¹ = 4428701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4430749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4430719) 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, 2215374 + 2215375.

It is an arithmetic number, because the mean of its divisors is an integer number (2215375).

Almost surely, 2^4430749 is an apocalyptic number.

It is an amenable number.

4430749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430749 is an equidigital number, since it uses as much as digits as its factorization.

4430749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4430749 is about 2104.9344407843. The cubic root of 4430749 is about 164.2450851730.

The spelling of 4430749 in words is "four million, four hundred thirty thousand, seven hundred forty-nine".