985326889 has 2 divisors, whose sum is σ = 985326890. Its totient is φ = 985326888.

The previous prime is 985326827. The next prime is 985326893. The reversal of 985326889 is 988623589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757075225 + 228251664 = 27515^2 + 15108^2 .

It is a cyclic number.

It is not a de Polignac number, because 985326889 - 2¹⁷ = 985195817 is a prime.

It is not a weakly prime, because it can be changed into another prime (985326899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492663444 + 492663445.

It is an arithmetic number, because the mean of its divisors is an integer number (492663445).

Almost surely, 2^985326889 is an apocalyptic number.

It is an amenable number.

985326889 is a deficient number, since it is larger than the sum of its proper divisors (1).

985326889 is an equidigital number, since it uses as much as digits as its factorization.

985326889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 58.

The square root of 985326889 is about 31389.9169957488. The cubic root of 985326889 is about 995.0848438211.

The spelling of 985326889 in words is "nine hundred eighty-five million, three hundred twenty-six thousand, eight hundred eighty-nine".