4451849 has 2 divisors, whose sum is σ = 4451850. Its totient is φ = 4451848.

The previous prime is 4451827. The next prime is 4451891. The reversal of 4451849 is 9481544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2999824 + 1452025 = 1732^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451849 - 2⁸ = 4451593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4451449) 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, 2225924 + 2225925.

It is an arithmetic number, because the mean of its divisors is an integer number (2225925).

Almost surely, 2^4451849 is an apocalyptic number.

It is an amenable number.

4451849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451849 is an equidigital number, since it uses as much as digits as its factorization.

4451849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 4451849 is about 2109.9405204887. The cubic root of 4451849 is about 164.5053936511.

The spelling of 4451849 in words is "four million, four hundred fifty-one thousand, eight hundred forty-nine".