984689429 has 2 divisors, whose sum is σ = 984689430. Its totient is φ = 984689428.

The previous prime is 984689411. The next prime is 984689443. The reversal of 984689429 is 924986489.

984689429 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., 881971204 + 102718225 = 29698^2 + 10135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984689429 is a prime.

It is a super-2 number, since 2×984689429² = 1939226543168692082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984689129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492344714 + 492344715.

It is an arithmetic number, because the mean of its divisors is an integer number (492344715).

Almost surely, 2^984689429 is an apocalyptic number.

It is an amenable number.

984689429 is a deficient number, since it is larger than the sum of its proper divisors (1).

984689429 is an equidigital number, since it uses as much as digits as its factorization.

984689429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 59.

The square root of 984689429 is about 31379.7614554349. The cubic root of 984689429 is about 994.8702065489.

The spelling of 984689429 in words is "nine hundred eighty-four million, six hundred eighty-nine thousand, four hundred twenty-nine".