549486 has 48 divisors (see below), whose sum is σ = 1404000. Its totient is φ = 155232.

The previous prime is 549481. The next prime is 549503. The reversal of 549486 is 684945.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 549486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549481) by changing a digit.

549486 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 23 ways as a sum of consecutive naturals, for example, 6130 + ... + 6218.

It is an arithmetic number, because the mean of its divisors is an integer number (29250).

2⁵⁴⁹⁴⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702000).

549486 is an abundant number, since it is smaller than the sum of its proper divisors (854514).

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

549486 is a wasteful number, since it uses less digits than its factorization.

549486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 101 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 549486 is about 741.2732289784. The cubic root of 549486 is about 81.9065960061.

It can be divided in two parts, 549 and 486, that added together give a triangular number (1035 = T₄₅).

The spelling of 549486 in words is "five hundred forty-nine thousand, four hundred eighty-six".