549384 has 32 divisors (see below), whose sum is σ = 1499040. Its totient is φ = 166400.

The previous prime is 549379. The next prime is 549391. The reversal of 549384 is 483945.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (46845).

2⁵⁴⁹³⁸⁴ is an apocalyptic number.

It is an amenable number.

549384 is an abundant number, since it is smaller than the sum of its proper divisors (949656).

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

549384 is a wasteful number, since it uses less digits than its factorization.

549384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2097 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 549384 is about 741.2044252431. The cubic root of 549384 is about 81.9015276393.

The spelling of 549384 in words is "five hundred forty-nine thousand, three hundred eighty-four".