984001247 has 2 divisors, whose sum is σ = 984001248. Its totient is φ = 984001246.

The previous prime is 984001231. The next prime is 984001297. The reversal of 984001247 is 742100489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 984001247 - 2⁴ = 984001231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984001217) 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, 492000623 + 492000624.

It is an arithmetic number, because the mean of its divisors is an integer number (492000624).

Almost surely, 2^984001247 is an apocalyptic number.

984001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

984001247 is an equidigital number, since it uses as much as digits as its factorization.

984001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 984001247 is about 31368.7941591640. The cubic root of 984001247 is about 994.6383868140.

The spelling of 984001247 in words is "nine hundred eighty-four million, one thousand, two hundred forty-seven".