547947 has 12 divisors (see below), whose sum is σ = 800280. Its totient is φ = 361248.

The previous prime is 547909. The next prime is 547951. The reversal of 547947 is 749745.

It is a happy number.

547947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 547947 - 2⁷ = 547819 is a prime.

547947 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547957) 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, 679 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (66690).

2⁵⁴⁷⁹⁴⁷ is an apocalyptic number.

547947 is a deficient number, since it is larger than the sum of its proper divisors (252333).

547947 is a wasteful number, since it uses less digits than its factorization.

547947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 679 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 547947 is about 740.2344223285. The cubic root of 547947 is about 81.8300565256.

It can be divided in two parts, 54 and 7947, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 547947 in words is "five hundred forty-seven thousand, nine hundred forty-seven".