547839 has 12 divisors (see below), whose sum is σ = 819000. Its totient is φ = 352464.

The previous prime is 547831. The next prime is 547849. The reversal of 547839 is 938745.

It is not a de Polignac number, because 547839 - 2³ = 547831 is a prime.

It is a super-3 number, since 3×547839³ = 493264763333852157, which contains 333 as substring.

547839 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 547839.

It is not an unprimeable number, because it can be changed into a prime (547831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (68250).

2⁵⁴⁷⁸³⁹ is an apocalyptic number.

547839 is a deficient number, since it is larger than the sum of its proper divisors (271161).

547839 is a wasteful number, since it uses less digits than its factorization.

547839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2131 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 547839 is about 740.1614688701. The cubic root of 547839 is about 81.8246799553.

The spelling of 547839 in words is "five hundred forty-seven thousand, eight hundred thirty-nine".