10389689 has 2 divisors, whose sum is σ = 10389690. Its totient is φ = 10389688.

The previous prime is 10389671. The next prime is 10389719. The reversal of 10389689 is 98698301.

10389689 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., 9610000 + 779689 = 3100^2 + 883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10389689 is a prime.

It is not a weakly prime, because it can be changed into another prime (10389649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5194844 + 5194845.

It is an arithmetic number, because the mean of its divisors is an integer number (5194845).

Almost surely, 2^10389689 is an apocalyptic number.

It is an amenable number.

10389689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10389689 is an equidigital number, since it uses as much as digits as its factorization.

10389689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 10389689 is about 3223.3040501945. The cubic root of 10389689 is about 218.2064158873.

The spelling of 10389689 in words is "ten million, three hundred eighty-nine thousand, six hundred eighty-nine".