549104 has 10 divisors (see below), whose sum is σ = 1063920. Its totient is φ = 274544.

The previous prime is 549097. The next prime is 549121. The reversal of 549104 is 401945.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 549104.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549104.

It is an unprimeable number.

549104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17144 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (106392).

2⁵⁴⁹¹⁰⁴ is an apocalyptic number.

It is an amenable number.

549104 is a deficient number, since it is larger than the sum of its proper divisors (514816).

549104 is a wasteful number, since it uses less digits than its factorization.

549104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34327 (or 34321 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 549104 is about 741.0155194056. The cubic root of 549104 is about 81.8876112501.

Subtracting from 549104 its sum of digits (23), we obtain a square (549081 = 741²).

The spelling of 549104 in words is "five hundred forty-nine thousand, one hundred four".