93889 has 2 divisors, whose sum is σ = 93890. Its totient is φ = 93888.

The previous prime is 93887. The next prime is 93893. The reversal of 93889 is 98839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50625 + 43264 = 225^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 93889 - 2¹ = 93887 is a prime.

Together with 93887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (93887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46944 + 46945.

It is an arithmetic number, because the mean of its divisors is an integer number (46945).

2⁹³⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

93889 is a deficient number, since it is larger than the sum of its proper divisors (1).

93889 is an equidigital number, since it uses as much as digits as its factorization.

93889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 93889 is about 306.4131198235. The cubic root of 93889 is about 45.4504552683.

Subtracting 93889 from its reverse (98839), we obtain a triangular number (4950 = T₉₉).

The spelling of 93889 in words is "ninety-three thousand, eight hundred eighty-nine".