549868 has 12 divisors (see below), whose sum is σ = 1049832. Its totient is φ = 249920.

The previous prime is 549863. The next prime is 549877. The reversal of 549868 is 868945.

549868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 549868.

It is not an unprimeable number, because it can be changed into a prime (549863) by changing a digit.

549868 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 3 ways as a sum of consecutive naturals, for example, 6205 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (87486).

2⁵⁴⁹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

549868 is a deficient number, since it is larger than the sum of its proper divisors (499964).

549868 is a wasteful number, since it uses less digits than its factorization.

549868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512 (or 12510 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 549868 is about 741.5308489874. The cubic root of 549868 is about 81.9255719655.

The spelling of 549868 in words is "five hundred forty-nine thousand, eight hundred sixty-eight".