549356 has 6 divisors (see below), whose sum is σ = 961380. Its totient is φ = 274676.

The previous prime is 549331. The next prime is 549379. The reversal of 549356 is 653945.

It is a happy number.

It is an unprimeable number.

549356 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 as a sum of consecutive naturals, namely, 68666 + ... + 68673.

It is an arithmetic number, because the mean of its divisors is an integer number (160230).

2⁵⁴⁹³⁵⁶ is an apocalyptic number.

It is an amenable number.

549356 is a deficient number, since it is larger than the sum of its proper divisors (412024).

549356 is a wasteful number, since it uses less digits than its factorization.

549356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137343 (or 137341 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 549356 is about 741.1855368260. The cubic root of 549356 is about 81.9001362132.

The spelling of 549356 in words is "five hundred forty-nine thousand, three hundred fifty-six".