788189 has 2 divisors, whose sum is σ = 788190. Its totient is φ = 788188.

The previous prime is 788173. The next prime is 788209. The reversal of 788189 is 981887.

788189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 284089 = 710^2 + 533^2 .

It is an emirp because it is prime and its reverse (981887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788189 - 2⁴ = 788173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394094 + 394095.

It is an arithmetic number, because the mean of its divisors is an integer number (394095).

2⁷⁸⁸¹⁸⁹ is an apocalyptic number.

It is an amenable number.

788189 is a deficient number, since it is larger than the sum of its proper divisors (1).

788189 is an equidigital number, since it uses as much as digits as its factorization.

788189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 41.

The square root of 788189 is about 887.8000901104. The cubic root of 788189 is about 92.3726614023.

The spelling of 788189 in words is "seven hundred eighty-eight thousand, one hundred eighty-nine".