549741 has 4 divisors (see below), whose sum is σ = 732992. Its totient is φ = 366492.

The previous prime is 549739. The next prime is 549749. The reversal of 549741 is 147945.

It is a happy number.

549741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 549741 - 2¹ = 549739 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549699 and 549708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91621 + ... + 91626.

It is an arithmetic number, because the mean of its divisors is an integer number (183248).

2⁵⁴⁹⁷⁴¹ is an apocalyptic number.

It is an amenable number.

549741 is a deficient number, since it is larger than the sum of its proper divisors (183251).

549741 is a wasteful number, since it uses less digits than its factorization.

549741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183250.

The product of its digits is 5040, while the sum is 30.

The square root of 549741 is about 741.4452103831. The cubic root of 549741 is about 81.9192641796.

The spelling of 549741 in words is "five hundred forty-nine thousand, seven hundred forty-one".