47924 has 6 divisors (see below), whose sum is σ = 83874. Its totient is φ = 23960.

The previous prime is 47917. The next prime is 47933. The reversal of 47924 is 42974.

It can be written as a sum of positive squares in only one way, i.e., 47524 + 400 = 218^2 + 20^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47893 and 47902.

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 47924.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (13979).

2⁴⁷⁹²⁴ is an apocalyptic number.

It is an amenable number.

47924 is a deficient number, since it is larger than the sum of its proper divisors (35950).

47924 is a wasteful number, since it uses less digits than its factorization.

47924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11985 (or 11983 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 47924 is about 218.9155088156. The cubic root of 47924 is about 36.3232210072.

Subtracting from 47924 its reverse (42974), we obtain a triangular number (4950 = T₉₉).

The spelling of 47924 in words is "forty-seven thousand, nine hundred twenty-four".