1036839889 has 2 divisors, whose sum is σ = 1036839890. Its totient is φ = 1036839888.

The previous prime is 1036839883. The next prime is 1036839913. The reversal of 1036839889 is 9889386301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 634636864 + 402203025 = 25192^2 + 20055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036839889 - 2¹⁷ = 1036708817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1036839883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518419944 + 518419945.

It is an arithmetic number, because the mean of its divisors is an integer number (518419945).

Almost surely, 2^1036839889 is an apocalyptic number.

It is an amenable number.

1036839889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036839889 is an equidigital number, since it uses as much as digits as its factorization.

1036839889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 1036839889 is about 32199.9982763975. The cubic root of 1036839889 is about 1012.1321780126.

The spelling of 1036839889 in words is "one billion, thirty-six million, eight hundred thirty-nine thousand, eight hundred eighty-nine".