544003489 has 8 divisors (see below), whose sum is σ = 577973160. Its totient is φ = 511047936.

The previous prime is 544003487. The next prime is 544003513. The reversal of 544003489 is 984300445.

It can be written as a sum of positive squares in 4 ways, for example, as 392713489 + 151290000 = 19817^2 + 12300^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 544003489 - 2¹ = 544003487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544003487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252424 + ... + 254569.

It is an arithmetic number, because the mean of its divisors is an integer number (72246645).

Almost surely, 2^544003489 is an apocalyptic number.

It is an amenable number.

544003489 is a deficient number, since it is larger than the sum of its proper divisors (33969671).

544003489 is a wasteful number, since it uses less digits than its factorization.

544003489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507059.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 544003489 is about 23323.8823740817. The cubic root of 544003489 is about 816.3327655874.

The spelling of 544003489 in words is "five hundred forty-four million, three thousand, four hundred eighty-nine".