549606 has 16 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 181608.

The previous prime is 549589. The next prime is 549607. The reversal of 549606 is 606945.

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 549606.

It is not an unprimeable number, because it can be changed into a prime (549607) by changing a digit.

549606 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 7 ways as a sum of consecutive naturals, for example, 505 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2⁵⁴⁹⁶⁰⁶ is an apocalyptic number.

549606 is an abundant number, since it is smaller than the sum of its proper divisors (559194).

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

549606 is a wasteful number, since it uses less digits than its factorization.

549606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 549606 is about 741.3541663739. The cubic root of 549606 is about 81.9125579876.

The spelling of 549606 in words is "five hundred forty-nine thousand, six hundred six".