10889591 has 2 divisors, whose sum is σ = 10889592. Its totient is φ = 10889590.

The previous prime is 10889579. The next prime is 10889609. The reversal of 10889591 is 19598801.

10889591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10889591 - 2¹⁴ = 10873207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10889521) 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, 5444795 + 5444796.

It is an arithmetic number, because the mean of its divisors is an integer number (5444796).

Almost surely, 2^10889591 is an apocalyptic number.

10889591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10889591 is an equidigital number, since it uses as much as digits as its factorization.

10889591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 10889591 is about 3299.9380297212. The cubic root of 10889591 is about 221.6514224980.

The spelling of 10889591 in words is "ten million, eight hundred eighty-nine thousand, five hundred ninety-one".