549873 has 12 divisors (see below), whose sum is σ = 803088. Its totient is φ = 362520.

The previous prime is 549863. The next prime is 549877. The reversal of 549873 is 378945.

549873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-549873 is a prime.

It is a super-2 number, since 2×549873² = 604720632258, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549873.

It is not an unprimeable number, because it can be changed into a prime (549877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678 + ... + 1248.

It is an arithmetic number, because the mean of its divisors is an integer number (66924).

2⁵⁴⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

549873 is a deficient number, since it is larger than the sum of its proper divisors (253215).

549873 is a wasteful number, since it uses less digits than its factorization.

549873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 681 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 549873 is about 741.5342203837. The cubic root of 549873 is about 81.9258202836.

The spelling of 549873 in words is "five hundred forty-nine thousand, eight hundred seventy-three".