984379321 has 2 divisors, whose sum is σ = 984379322. Its totient is φ = 984379320.

The previous prime is 984379313. The next prime is 984379337. The reversal of 984379321 is 123973489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 238270096 = 27315^2 + 15436^2 .

It is a cyclic number.

It is not a de Polignac number, because 984379321 - 2³ = 984379313 is a prime.

It is a super-2 number, since 2×984379321² = 1938005295224842082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (984379351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492189660 + 492189661.

It is an arithmetic number, because the mean of its divisors is an integer number (492189661).

Almost surely, 2^984379321 is an apocalyptic number.

It is an amenable number.

984379321 is a deficient number, since it is larger than the sum of its proper divisors (1).

984379321 is an equidigital number, since it uses as much as digits as its factorization.

984379321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 984379321 is about 31374.8198560565. The cubic root of 984379321 is about 994.7657575069.

The spelling of 984379321 in words is "nine hundred eighty-four million, three hundred seventy-nine thousand, three hundred twenty-one".