549948 has 24 divisors (see below), whose sum is σ = 1466752. Its totient is φ = 157104.

The previous prime is 549943. The next prime is 549949. The reversal of 549948 is 849945.

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 549948.

It is not an unprimeable number, because it can be changed into a prime (549943) by changing a digit.

549948 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 7 ways as a sum of consecutive naturals, for example, 3190 + ... + 3357.

549948 is a Friedman number, since it can be written as 84*(9^4-9-5), using all its digits and the basic arithmetic operations.

2⁵⁴⁹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

549948 is an abundant number, since it is smaller than the sum of its proper divisors (916804).

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

549948 is a wasteful number, since it uses less digits than its factorization.

549948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561 (or 6559 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 549948 is about 741.5847894880. The cubic root of 549948 is about 81.9295448753.

The spelling of 549948 in words is "five hundred forty-nine thousand, nine hundred forty-eight".