894052889 has 2 divisors, whose sum is σ = 894052890. Its totient is φ = 894052888.

The previous prime is 894052879. The next prime is 894052931. The reversal of 894052889 is 988250498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801739225 + 92313664 = 28315^2 + 9608^2 .

It is a cyclic number.

It is not a de Polignac number, because 894052889 - 2²⁴ = 877275673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 894052889.

It is not a weakly prime, because it can be changed into another prime (894052879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447026444 + 447026445.

It is an arithmetic number, because the mean of its divisors is an integer number (447026445).

Almost surely, 2^894052889 is an apocalyptic number.

It is an amenable number.

894052889 is a deficient number, since it is larger than the sum of its proper divisors (1).

894052889 is an equidigital number, since it uses as much as digits as its factorization.

894052889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 894052889 is about 29900.7171987563. The cubic root of 894052889 is about 963.3580637109.

The spelling of 894052889 in words is "eight hundred ninety-four million, fifty-two thousand, eight hundred eighty-nine".