546840 has 144 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 120960.

The previous prime is 546781. The next prime is 546841. The reversal of 546840 is 48645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546841) by changing a digit.

546840 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 35 ways as a sum of consecutive naturals, for example, 17625 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (14820).

2⁵⁴⁶⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067040).

546840 is an abundant number, since it is smaller than the sum of its proper divisors (1587240).

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

546840 is a wasteful number, since it uses less digits than its factorization.

546840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 546840 is about 739.4863081897. The cubic root of 546840 is about 81.7749131488.

The spelling of 546840 in words is "five hundred forty-six thousand, eight hundred forty".