549392 has 10 divisors (see below), whose sum is σ = 1064478. Its totient is φ = 274688.

The previous prime is 549391. The next prime is 549403. The reversal of 549392 is 293945.

It can be written as a sum of positive squares in only one way, i.e., 456976 + 92416 = 676^2 + 304^2 .

It is a d-powerful number, because it can be written as 5⁵ + 4³ + 3¹² + 9 + 9⁴ + 2¹³ .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (549391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17153 + ... + 17184.

2⁵⁴⁹³⁹² is an apocalyptic number.

It is an amenable number.

549392 is a deficient number, since it is larger than the sum of its proper divisors (515086).

549392 is a wasteful number, since it uses less digits than its factorization.

549392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345 (or 34339 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 549392 is about 741.2098218453. The cubic root of 549392 is about 81.9019251810.

The spelling of 549392 in words is "five hundred forty-nine thousand, three hundred ninety-two".