544039 has 4 divisors (see below), whose sum is σ = 553320. Its totient is φ = 534760.

The previous prime is 544031. The next prime is 544097. The reversal of 544039 is 930445.

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 544039 - 2³ = 544031 is a prime.

It is a Duffinian number.

544039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544031) 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, 4552 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (138330).

2⁵⁴⁴⁰³⁹ is an apocalyptic number.

544039 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

544039 is a deficient number, since it is larger than the sum of its proper divisors (9281).

544039 is an equidigital number, since it uses as much as digits as its factorization.

544039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 544039 is about 737.5899945091. The cubic root of 544039 is about 81.6350527828.

It can be divided in two parts, 5 and 44039, that added together give a palindrome (44044).

The spelling of 544039 in words is "five hundred forty-four thousand, thirty-nine".