544493 has 4 divisors (see below), whose sum is σ = 576540. Its totient is φ = 512448.

The previous prime is 544487. The next prime is 544501. The reversal of 544493 is 394445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394445 = 5 ⋅78889.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 386884 = 397^2 + 622^2 .

It is not a de Polignac number, because 544493 - 2⁴ = 544477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15998 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (144135).

2⁵⁴⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

544493 is a deficient number, since it is larger than the sum of its proper divisors (32047).

544493 is a wasteful number, since it uses less digits than its factorization.

544493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32046.

The product of its digits is 8640, while the sum is 29.

The square root of 544493 is about 737.8976893852. The cubic root of 544493 is about 81.6577545923.

The spelling of 544493 in words is "five hundred forty-four thousand, four hundred ninety-three".