3840449 has 2 divisors, whose sum is σ = 3840450. Its totient is φ = 3840448.

The previous prime is 3840409. The next prime is 3840469. The reversal of 3840449 is 9440483.

3840449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 399424 = 1855^2 + 632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3840449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3840409) 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, 1920224 + 1920225.

It is an arithmetic number, because the mean of its divisors is an integer number (1920225).

Almost surely, 2^3840449 is an apocalyptic number.

It is an amenable number.

3840449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840449 is an equidigital number, since it uses as much as digits as its factorization.

3840449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3840449 is about 1959.7063555543. The cubic root of 3840449 is about 156.6008087963.

The spelling of 3840449 in words is "three million, eight hundred forty thousand, four hundred forty-nine".