4449997 has 2 divisors, whose sum is σ = 4449998. Its totient is φ = 4449996.

The previous prime is 4449983. The next prime is 4450003. The reversal of 4449997 is 7999444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 2116 = 2109^2 + 46^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4449997 is a prime.

It is a Chen prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4449947) 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, 2224998 + 2224999.

It is an arithmetic number, because the mean of its divisors is an integer number (2224999).

Almost surely, 2^4449997 is an apocalyptic number.

It is an amenable number.

4449997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449997 is an equidigital number, since it uses as much as digits as its factorization.

4449997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 4449997 is about 2109.5015999046. The cubic root of 4449997 is about 164.4825786929.

The spelling of 4449997 in words is "four million, four hundred forty-nine thousand, nine hundred ninety-seven".