548490 has 32 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 142784.

The previous prime is 548489. The next prime is 548501. The reversal of 548490 is 94845.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2⁵⁴⁸⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673920).

548490 is an abundant number, since it is smaller than the sum of its proper divisors (799350).

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

548490 is a wasteful number, since it uses less digits than its factorization.

548490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 548490 is about 740.6011072095. The cubic root of 548490 is about 81.8570780266.

The spelling of 548490 in words is "five hundred forty-eight thousand, four hundred ninety".