8945449 has 2 divisors, whose sum is σ = 8945450. Its totient is φ = 8945448.

The previous prime is 8945441. The next prime is 8945471. The reversal of 8945449 is 9445498.

8945449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 1960000 = 2643^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 8945449 - 2³ = 8945441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8945441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472724 + 4472725.

It is an arithmetic number, because the mean of its divisors is an integer number (4472725).

Almost surely, 2^8945449 is an apocalyptic number.

It is an amenable number.

8945449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8945449 is an equidigital number, since it uses as much as digits as its factorization.

8945449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 8945449 is about 2990.8943478498. The cubic root of 8945449 is about 207.5872686582.

The spelling of 8945449 in words is "eight million, nine hundred forty-five thousand, four hundred forty-nine".