984996979 has 2 divisors, whose sum is σ = 984996980. Its totient is φ = 984996978.

The previous prime is 984996941. The next prime is 984997019. The reversal of 984996979 is 979699489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 984996979 - 2¹¹ = 984994931 is a prime.

It is a super-3 number, since 3×984996979³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (984996079) 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, 492498489 + 492498490.

It is an arithmetic number, because the mean of its divisors is an integer number (492498490).

Almost surely, 2^984996979 is an apocalyptic number.

984996979 is a deficient number, since it is larger than the sum of its proper divisors (1).

984996979 is an equidigital number, since it uses as much as digits as its factorization.

984996979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79361856, while the sum is 70.

The square root of 984996979 is about 31384.6615243816. The cubic root of 984996979 is about 994.9737723615.

The spelling of 984996979 in words is "nine hundred eighty-four million, nine hundred ninety-six thousand, nine hundred seventy-nine".