549712 has 40 divisors (see below), whose sum is σ = 1178496. Its totient is φ = 247296.

The previous prime is 549707. The next prime is 549713. The reversal of 549712 is 217945.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11673 + ... + 11719.

2⁵⁴⁹⁷¹² 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 549712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589248).

549712 is an abundant number, since it is smaller than the sum of its proper divisors (628784).

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

549712 is a wasteful number, since it uses less digits than its factorization.

549712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 109 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 549712 is about 741.4256537240. The cubic root of 549712 is about 81.9178236828.

The spelling of 549712 in words is "five hundred forty-nine thousand, seven hundred twelve".