548840 has 16 divisors (see below), whose sum is σ = 1234980. Its totient is φ = 219520.

The previous prime is 548837. The next prime is 548843. The reversal of 548840 is 48845.

It is an interprime number because it is at equal distance from previous prime (548837) and next prime (548843).

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 27556 = 722^2 + 166^2 .

It is not an unprimeable number, because it can be changed into a prime (548843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6821 + ... + 6900.

2⁵⁴⁸⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

548840 is an abundant number, since it is smaller than the sum of its proper divisors (686140).

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

548840 is a wasteful number, since it uses less digits than its factorization.

548840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 548840 is about 740.8373640685. The cubic root of 548840 is about 81.8744857493.

It can be divided in two parts, 548 and 840, that multiplied together give a triangular number (460320 = T₉₅₉).

The spelling of 548840 in words is "five hundred forty-eight thousand, eight hundred forty".