549306 has 12 divisors (see below), whose sum is σ = 1190202. Its totient is φ = 183096.

The previous prime is 549281. The next prime is 549313. The reversal of 549306 is 603945.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 225 = 741^2 + 15^2 .

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 549306.

It is an unprimeable number.

549306 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15241 + ... + 15276.

2⁵⁴⁹³⁰⁶ is an apocalyptic number.

549306 is an abundant number, since it is smaller than the sum of its proper divisors (640896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549306 is a wasteful number, since it uses less digits than its factorization.

549306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30525 (or 30522 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 549306 is about 741.1518063123. The cubic root of 549306 is about 81.8976514061.

The spelling of 549306 in words is "five hundred forty-nine thousand, three hundred six".