47484 has 18 divisors (see below), whose sum is σ = 120120. Its totient is φ = 15816.

The previous prime is 47459. The next prime is 47491. The reversal of 47484 is 48474.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

47484 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624 + ... + 695.

2⁴⁷⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

47484 is an abundant number, since it is smaller than the sum of its proper divisors (72636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47484 is a wasteful number, since it uses less digits than its factorization.

47484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1324 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 47484 is about 217.9082375680. The cubic root of 47484 is about 36.2117154271.

Subtracting 47484 from its reverse (48474), we obtain a triangular number (990 = T₄₄).

The spelling of 47484 in words is "forty-seven thousand, four hundred eighty-four".