546636 has 12 divisors (see below), whose sum is σ = 1275512. Its totient is φ = 182208.

The previous prime is 546631. The next prime is 546643. The reversal of 546636 is 636645.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546636.

It is not an unprimeable number, because it can be changed into a prime (546631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22765 + ... + 22788.

2⁵⁴⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

546636 is an abundant number, since it is smaller than the sum of its proper divisors (728876).

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

546636 is a wasteful number, since it uses less digits than its factorization.

546636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45560 (or 45558 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 546636 is about 739.3483617348. The cubic root of 546636 is about 81.7647431069.

Subtracting 546636 from its reverse (636645), we obtain a palindrome (90009).

The spelling of 546636 in words is "five hundred forty-six thousand, six hundred thirty-six".