29889 has 14 divisors (see below), whose sum is σ = 45906.
Its totient is φ = 19440.
The previous prime is 29881. The next prime is 29917. The reversal of 29889 is 98892.
29889 is nontrivially palindromic in base 11.
It can be written as a sum of positive squares in only one way, i.e., 18225 + 11664 = 135^2 + 108^2
It is not a de Polignac number, because 29889 - 23 = 29881 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 709 + ... + 749.
It is an arithmetic number, because the mean of its divisors is an integer number (3279).
229889 is an apocalyptic number.
It is an amenable number.
29889 is a deficient number, since it is larger than the sum of its proper divisors (16017).
29889 is an frugal number, since it uses more digits than its factorization.
29889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59 (or 44 counting only the distinct ones).
The product of its digits is 10368, while the sum is 36.
The square root of 29889 is about 172.8843544107.
The cubic root of 29889 is about 31.0339551634.
The spelling of 29889 in words is "twenty-nine thousand, eight hundred eighty-nine".