989083393 has 2 divisors, whose sum is σ = 989083394. Its totient is φ = 989083392.

The previous prime is 989083363. The next prime is 989083451. The reversal of 989083393 is 393380989.

989083393 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 can be written as a sum of positive squares in only one way, i.e., 630662769 + 358420624 = 25113^2 + 18932^2 .

It is an emirp because it is prime and its reverse (393380989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989083393 - 2¹³ = 989075201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 989083393.

It is not a weakly prime, because it can be changed into another prime (989083343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494541696 + 494541697.

It is an arithmetic number, because the mean of its divisors is an integer number (494541697).

Almost surely, 2^989083393 is an apocalyptic number.

It is an amenable number.

989083393 is a deficient number, since it is larger than the sum of its proper divisors (1).

989083393 is an equidigital number, since it uses as much as digits as its factorization.

989083393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 989083393 is about 31449.6962306474. The cubic root of 989083393 is about 996.3478087372.

The spelling of 989083393 in words is "nine hundred eighty-nine million, eighty-three thousand, three hundred ninety-three".