449539 has 4 divisors (see below), whose sum is σ = 454680. Its totient is φ = 444400.

The previous prime is 449473. The next prime is 449543. The reversal of 449539 is 935944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449539 - 2⁷ = 449411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (113670).

2⁴⁴⁹⁵³⁹ is an apocalyptic number.

449539 is a deficient number, since it is larger than the sum of its proper divisors (5141).

449539 is an equidigital number, since it uses as much as digits as its factorization.

449539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140.

The product of its digits is 19440, while the sum is 34.

The square root of 449539 is about 670.4766960902. The cubic root of 449539 is about 76.6047662503.

The spelling of 449539 in words is "four hundred forty-nine thousand, five hundred thirty-nine".