4143449 has 2 divisors, whose sum is σ = 4143450. Its totient is φ = 4143448.

The previous prime is 4143421. The next prime is 4143467. The reversal of 4143449 is 9443414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3829849 + 313600 = 1957^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143449 - 2⁸ = 4143193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4143409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071724 + 2071725.

It is an arithmetic number, because the mean of its divisors is an integer number (2071725).

Almost surely, 2^4143449 is an apocalyptic number.

It is an amenable number.

4143449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4143449 is an equidigital number, since it uses as much as digits as its factorization.

4143449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 4143449 is about 2035.5463640016. The cubic root of 4143449 is about 160.6154550794.

The spelling of 4143449 in words is "four million, one hundred forty-three thousand, four hundred forty-nine".