549926 has 12 divisors (see below), whose sum is σ = 893772. Its totient is φ = 253656.

The previous prime is 549911. The next prime is 549937. The reversal of 549926 is 629945.

It is a congruent number.

It is an unprimeable number.

549926 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 476 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (74481).

2⁵⁴⁹⁹²⁶ is an apocalyptic number.

549926 is a deficient number, since it is larger than the sum of its proper divisors (343846).

549926 is a wasteful number, since it uses less digits than its factorization.

549926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1642 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 549926 is about 741.5699562415. The cubic root of 549926 is about 81.9284523635.

The spelling of 549926 in words is "five hundred forty-nine thousand, nine hundred twenty-six".