9983867 has 2 divisors, whose sum is σ = 9983868. Its totient is φ = 9983866.

The previous prime is 9983839. The next prime is 9983929. The reversal of 9983867 is 7683899.

It is a weak prime.

It is an emirp because it is prime and its reverse (7683899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9983867 - 2¹² = 9979771 is a prime.

It is not a weakly prime, because it can be changed into another prime (9983837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991933 + 4991934.

It is an arithmetic number, because the mean of its divisors is an integer number (4991934).

Almost surely, 2^9983867 is an apocalyptic number.

9983867 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983867 is an equidigital number, since it uses as much as digits as its factorization.

9983867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 9983867 is about 3159.7257792410. The cubic root of 9983867 is about 215.3275483264.

Subtracting from 9983867 its reverse (7683899), we obtain a cube (2299968 = 132³).

The spelling of 9983867 in words is "nine million, nine hundred eighty-three thousand, eight hundred sixty-seven".