549908 has 6 divisors (see below), whose sum is σ = 962346. Its totient is φ = 274952.

The previous prime is 549883. The next prime is 549911. The reversal of 549908 is 809945.

It can be written as a sum of positive squares in only one way, i.e., 446224 + 103684 = 668^2 + 322^2 .

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 549908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68735 + ... + 68742.

It is an arithmetic number, because the mean of its divisors is an integer number (160391).

2⁵⁴⁹⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

549908 is a deficient number, since it is larger than the sum of its proper divisors (412438).

549908 is a wasteful number, since it uses less digits than its factorization.

549908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137481 (or 137479 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 549908 is about 741.5578197282. The cubic root of 549908 is about 81.9275584685.

The spelling of 549908 in words is "five hundred forty-nine thousand, nine hundred eight".