546444 has 36 divisors (see below), whose sum is σ = 1417416. Its totient is φ = 177408.

The previous prime is 546391. The next prime is 546461. The reversal of 546444 is 444645.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372 + ... + 1724.

2⁵⁴⁶⁴⁴⁴ 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 546444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708708).

546444 is an abundant number, since it is smaller than the sum of its proper divisors (870972).

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

546444 is a wasteful number, since it uses less digits than its factorization.

546444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 401 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 546444 is about 739.2185062618. The cubic root of 546444 is about 81.7551689911.

It can be divided in two parts, 546 and 444, that added together give a triangular number (990 = T₄₄).

The spelling of 546444 in words is "five hundred forty-six thousand, four hundred forty-four".