549340 has 36 divisors (see below), whose sum is σ = 1273608. Its totient is φ = 198880.

The previous prime is 549331. The next prime is 549379. The reversal of 549340 is 43945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (35378).

2⁵⁴⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636804).

549340 is an abundant number, since it is smaller than the sum of its proper divisors (724268).

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

549340 is a wasteful number, since it uses less digits than its factorization.

549340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 245 counting only the distinct ones).

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

The square root of 549340 is about 741.1747432286. The cubic root of 549340 is about 81.8993410914.

The spelling of 549340 in words is "five hundred forty-nine thousand, three hundred forty".