8660387 has 2 divisors, whose sum is σ = 8660388. Its totient is φ = 8660386.

The previous prime is 8660383. The next prime is 8660401. The reversal of 8660387 is 7830668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8660387 - 2² = 8660383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8660387.

It is not a weakly prime, because it can be changed into another prime (8660381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330193 + 4330194.

It is an arithmetic number, because the mean of its divisors is an integer number (4330194).

Almost surely, 2^8660387 is an apocalyptic number.

8660387 is a deficient number, since it is larger than the sum of its proper divisors (1).

8660387 is an equidigital number, since it uses as much as digits as its factorization.

8660387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8660387 is about 2942.8535471545. The cubic root of 8660387 is about 205.3583816377.

The spelling of 8660387 in words is "eight million, six hundred sixty thousand, three hundred eighty-seven".