4487849 has 2 divisors, whose sum is σ = 4487850. Its totient is φ = 4487848.

The previous prime is 4487843. The next prime is 4487869. The reversal of 4487849 is 9487844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4439449 + 48400 = 2107^2 + 220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4487849 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (4487843) 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 as a sum of consecutive naturals, namely, 2243924 + 2243925.

It is an arithmetic number, because the mean of its divisors is an integer number (2243925).

Almost surely, 2^4487849 is an apocalyptic number.

It is an amenable number.

4487849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487849 is an equidigital number, since it uses as much as digits as its factorization.

4487849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The square root of 4487849 is about 2118.4543894075. The cubic root of 4487849 is about 164.9476295381.

The spelling of 4487849 in words is "four million, four hundred eighty-seven thousand, eight hundred forty-nine".