814890589 has 2 divisors, whose sum is σ = 814890590. Its totient is φ = 814890588.

The previous prime is 814890581. The next prime is 814890617. The reversal of 814890589 is 985098418.

814890589 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., 725871364 + 89019225 = 26942^2 + 9435^2 .

It is a cyclic number.

It is not a de Polignac number, because 814890589 - 2³ = 814890581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814890581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407445294 + 407445295.

It is an arithmetic number, because the mean of its divisors is an integer number (407445295).

Almost surely, 2^814890589 is an apocalyptic number.

It is an amenable number.

814890589 is a deficient number, since it is larger than the sum of its proper divisors (1).

814890589 is an equidigital number, since it uses as much as digits as its factorization.

814890589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 814890589 is about 28546.2885328373. The cubic root of 814890589 is about 934.0420623547.

The spelling of 814890589 in words is "eight hundred fourteen million, eight hundred ninety thousand, five hundred eighty-nine".