549039 has 8 divisors (see below), whose sum is σ = 736560. Its totient is φ = 363776.

The previous prime is 549037. The next prime is 549071. The reversal of 549039 is 930945.

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 549039 - 2¹ = 549037 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 548997 and 549015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549037) 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, 127 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (92070).

2⁵⁴⁹⁰³⁹ is an apocalyptic number.

549039 is a deficient number, since it is larger than the sum of its proper divisors (187521).

549039 is a wasteful number, since it uses less digits than its factorization.

549039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 549039 is about 740.9716593771. The cubic root of 549039 is about 81.8843799832.

The spelling of 549039 in words is "five hundred forty-nine thousand, thirty-nine".