8661383 has 2 divisors, whose sum is σ = 8661384. Its totient is φ = 8661382.

The previous prime is 8661353. The next prime is 8661407. The reversal of 8661383 is 3831668.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8661383 - 2¹⁸ = 8399239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8661353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330691 + 4330692.

It is an arithmetic number, because the mean of its divisors is an integer number (4330692).

Almost surely, 2^8661383 is an apocalyptic number.

8661383 is a deficient number, since it is larger than the sum of its proper divisors (1).

8661383 is an equidigital number, since it uses as much as digits as its factorization.

8661383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 8661383 is about 2943.0227657971. The cubic root of 8661383 is about 205.3662538458.

The spelling of 8661383 in words is "eight million, six hundred sixty-one thousand, three hundred eighty-three".