47889 has 12 divisors (see below), whose sum is σ = 73476. Its totient is φ = 29952.

The previous prime is 47881. The next prime is 47903. The reversal of 47889 is 98874.

47889 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14400 + 33489 = 120^2 + 183^2 .

It is not a de Polignac number, because 47889 - 2³ = 47881 is a prime.

Its product of digits (16128) is a multiple of the sum of its prime factors (336).

47889 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47881) 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, 4 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (6123).

2⁴⁷⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

47889 is a deficient number, since it is larger than the sum of its proper divisors (25587).

47889 is a wasteful number, since it uses less digits than its factorization.

47889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 47889 is about 218.8355546980. The cubic root of 47889 is about 36.3143762923.

The spelling of 47889 in words is "forty-seven thousand, eight hundred eighty-nine".