10387189 has 2 divisors, whose sum is σ = 10387190. Its totient is φ = 10387188.

The previous prime is 10387183. The next prime is 10387193. The reversal of 10387189 is 98178301.

10387189 = T₂₆₃₀ + T₂₆₃₁ + T₂₆₃₂.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9199089 + 1188100 = 3033^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10387189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10387183) 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, 5193594 + 5193595.

It is an arithmetic number, because the mean of its divisors is an integer number (5193595).

Almost surely, 2^10387189 is an apocalyptic number.

10387189 is the 2632-nd centered triangular number.

It is an amenable number.

10387189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10387189 is an equidigital number, since it uses as much as digits as its factorization.

10387189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 10387189 is about 3222.9162260288. The cubic root of 10387189 is about 218.1889126428.

The spelling of 10387189 in words is "ten million, three hundred eighty-seven thousand, one hundred eighty-nine".