884789 has 2 divisors, whose sum is σ = 884790. Its totient is φ = 884788.

The previous prime is 884743. The next prime is 884791. The reversal of 884789 is 987488.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 380689 = 710^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 884789 - 2¹⁶ = 819253 is a prime.

Together with 884791, it forms a pair of twin primes.

It is a Chen prime.

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 884789.

It is not a weakly prime, because it can be changed into another prime (884489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442394 + 442395.

It is an arithmetic number, because the mean of its divisors is an integer number (442395).

2⁸⁸⁴⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

884789 is a deficient number, since it is larger than the sum of its proper divisors (1).

884789 is an equidigital number, since it uses as much as digits as its factorization.

884789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The square root of 884789 is about 940.6322341915. The cubic root of 884789 is about 96.0019169177.

The spelling of 884789 in words is "eight hundred eighty-four thousand, seven hundred eighty-nine".