546647 has 4 divisors (see below), whose sum is σ = 548136. Its totient is φ = 545160.

The previous prime is 546643. The next prime is 546661. The reversal of 546647 is 746645.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 546647 - 2² = 546643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546647.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (137034).

2⁵⁴⁶⁶⁴⁷ is an apocalyptic number.

546647 is a deficient number, since it is larger than the sum of its proper divisors (1489).

546647 is an equidigital number, since it uses as much as digits as its factorization.

546647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its digits is 20160, while the sum is 32.

The square root of 546647 is about 739.3558006806. The cubic root of 546647 is about 81.7652915560.

The spelling of 546647 in words is "five hundred forty-six thousand, six hundred forty-seven".