984668969 has 2 divisors, whose sum is σ = 984668970. Its totient is φ = 984668968.

The previous prime is 984668933. The next prime is 984668999. The reversal of 984668969 is 969866489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878826025 + 105842944 = 29645^2 + 10288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984668969 is a prime.

It is a super-2 number, since 2×984668969² = 1939145957023045922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (984668999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492334484 + 492334485.

It is an arithmetic number, because the mean of its divisors is an integer number (492334485).

Almost surely, 2^984668969 is an apocalyptic number.

It is an amenable number.

984668969 is a deficient number, since it is larger than the sum of its proper divisors (1).

984668969 is an equidigital number, since it uses as much as digits as its factorization.

984668969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40310784, while the sum is 65.

The square root of 984668969 is about 31379.4354474391. The cubic root of 984668969 is about 994.8633159887.

The spelling of 984668969 in words is "nine hundred eighty-four million, six hundred sixty-eight thousand, nine hundred sixty-nine".