548404 has 12 divisors (see below), whose sum is σ = 973728. Its totient is φ = 270200.

The previous prime is 548399. The next prime is 548407. The reversal of 548404 is 404845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548407) by changing a digit.

548404 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, 682 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁵⁴⁸⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

548404 is a deficient number, since it is larger than the sum of its proper divisors (425324).

548404 is a wasteful number, since it uses less digits than its factorization.

548404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 548404 is about 740.5430439887. The cubic root of 548404 is about 81.8527995672.

The spelling of 548404 in words is "five hundred forty-eight thousand, four hundred four".