546644 has 18 divisors (see below), whose sum is σ = 1113210. Its totient is φ = 234192.

The previous prime is 546643. The next prime is 546661. The reversal of 546644 is 446645.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 56644 = 700^2 + 238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1199 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2⁵⁴⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

546644 is an abundant number, since it is smaller than the sum of its proper divisors (566566).

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

546644 is a wasteful number, since it uses less digits than its factorization.

546644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2798 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 546644 is about 739.3537718846. The cubic root of 546644 is about 81.7651419797.

Subtracting from 546644 its reverse (446645), we obtain a palindrome (99999).

The spelling of 546644 in words is "five hundred forty-six thousand, six hundred forty-four".