544449 has 8 divisors (see below), whose sum is σ = 732160. Its totient is φ = 359856.

The previous prime is 544429. The next prime is 544451. The reversal of 544449 is 944445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 544449 - 2¹¹ = 542401 is a prime.

It is a Duffinian number.

544449 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544449.

It is not an unprimeable number, because it can be changed into a prime (544429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (91520).

2⁵⁴⁴⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

544449 is a deficient number, since it is larger than the sum of its proper divisors (187711).

544449 is a wasteful number, since it uses less digits than its factorization.

544449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 11520, while the sum is 30.

The square root of 544449 is about 737.8678743515. The cubic root of 544449 is about 81.6555549693.

Multiplying 544449 by its sum of digits (30), we get a triangular number (16333470 = T₅₇₁₅).

The spelling of 544449 in words is "five hundred forty-four thousand, four hundred forty-nine".