549468 has 18 divisors (see below), whose sum is σ = 1389024. Its totient is φ = 183144.

The previous prime is 549449. The next prime is 549481. The reversal of 549468 is 864945.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15263 = 549468 / (5 + 4 + 9 + 4 + 6 + 8).

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 549468.

It is an unprimeable number.

549468 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, 7596 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (77168).

2⁵⁴⁹⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

549468 is an abundant number, since it is smaller than the sum of its proper divisors (839556).

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

549468 is a wasteful number, since it uses less digits than its factorization.

549468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273 (or 15268 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 549468 is about 741.2610876068. The cubic root of 549468 is about 81.9057016340.

The spelling of 549468 in words is "five hundred forty-nine thousand, four hundred sixty-eight".