549339844 has 9 divisors (see below), whose sum is σ = 961426767. Its totient is φ = 274646484.

The previous prime is 549339839. The next prime is 549339863. The reversal of 549339844 is 448933945.

The square root of 549339844 is 23438.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 41017 + ... + 52735.

Almost surely, 2^549339844 is an apocalyptic number.

549339844 is the 23438-th square number.

It is an amenable number.

549339844 is a deficient number, since it is larger than the sum of its proper divisors (412086923).

549339844 is an frugal number, since it uses more digits than its factorization.

549339844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442 (or 11721 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The cubic root of 549339844 is about 818.9933333884.

Multiplying 549339844 by its sum of digits (49), we get a square (26917652356 = 164066²).

The spelling of 549339844 in words is "five hundred forty-nine million, three hundred thirty-nine thousand, eight hundred forty-four".