984371321 has 2 divisors, whose sum is σ = 984371322. Its totient is φ = 984371320.

The previous prime is 984371287. The next prime is 984371327. The reversal of 984371321 is 123173489.

984371321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820249600 + 164121721 = 28640^2 + 12811^2 .

It is an emirp because it is prime and its reverse (123173489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 984371321 - 2⁶ = 984371257 is a prime.

It is not a weakly prime, because it can be changed into another prime (984371327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492185660 + 492185661.

It is an arithmetic number, because the mean of its divisors is an integer number (492185661).

Almost surely, 2^984371321 is an apocalyptic number.

It is an amenable number.

984371321 is a deficient number, since it is larger than the sum of its proper divisors (1).

984371321 is an equidigital number, since it uses as much as digits as its factorization.

984371321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 984371321 is about 31374.6923650257. The cubic root of 984371321 is about 994.7630626962.

The spelling of 984371321 in words is "nine hundred eighty-four million, three hundred seventy-one thousand, three hundred twenty-one".