9981383 has 2 divisors, whose sum is σ = 9981384. Its totient is φ = 9981382.

The previous prime is 9981373. The next prime is 9981463. The reversal of 9981383 is 3831899.

9981383 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 is a cyclic number.

It is not a de Polignac number, because 9981383 - 2⁶ = 9981319 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9981383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9981373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990691 + 4990692.

It is an arithmetic number, because the mean of its divisors is an integer number (4990692).

Almost surely, 2^9981383 is an apocalyptic number.

9981383 is a deficient number, since it is larger than the sum of its proper divisors (1).

9981383 is an equidigital number, since it uses as much as digits as its factorization.

9981383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 9981383 is about 3159.3326827037. The cubic root of 9981383 is about 215.3096889139.

The spelling of 9981383 in words is "nine million, nine hundred eighty-one thousand, three hundred eighty-three".