449549 has 2 divisors, whose sum is σ = 449550. Its totient is φ = 449548.

The previous prime is 449543. The next prime is 449557. The reversal of 449549 is 945944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413449 + 36100 = 643^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 449549 - 2¹² = 445453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224774 + 224775.

It is an arithmetic number, because the mean of its divisors is an integer number (224775).

2⁴⁴⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

449549 is a deficient number, since it is larger than the sum of its proper divisors (1).

449549 is an equidigital number, since it uses as much as digits as its factorization.

449549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 449549 is about 670.4841534294. The cubic root of 449549 is about 76.6053342707.

The spelling of 449549 in words is "four hundred forty-nine thousand, five hundred forty-nine".