500449 has 4 divisors (see below), whose sum is σ = 503236. Its totient is φ = 497664.

The previous prime is 500443. The next prime is 500459. The reversal of 500449 is 944005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944005 = 5 ⋅188801.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 291600 = 457^2 + 540^2 .

It is a 5-Lehmer number, since φ(500449) divides (500449-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 500449 - 2⁵ = 500417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500443) 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, 1104 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (125809).

2⁵⁰⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

500449 is a deficient number, since it is larger than the sum of its proper divisors (2787).

500449 is a wasteful number, since it uses less digits than its factorization.

500449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 500449 is about 707.4242008866. The cubic root of 500449 is about 79.3938035928.

Subtracting 500449 from its reverse (944005), we obtain a square (443556 = 666²).

It can be divided in two parts, 500 and 449, that added together give a palindrome (949).

The spelling of 500449 in words is "five hundred thousand, four hundred forty-nine".