998935429 has 2 divisors, whose sum is σ = 998935430. Its totient is φ = 998935428.

The previous prime is 998935411. The next prime is 998935459. The reversal of 998935429 is 924539899.

998935429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881971204 + 116964225 = 29698^2 + 10815^2 .

It is an emirp because it is prime and its reverse (924539899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998935429 - 2⁵ = 998935397 is a prime.

It is a super-2 number, since 2×998935429² = 1995743982622828082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998935409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499467714 + 499467715.

It is an arithmetic number, because the mean of its divisors is an integer number (499467715).

Almost surely, 2^998935429 is an apocalyptic number.

It is an amenable number.

998935429 is a deficient number, since it is larger than the sum of its proper divisors (1).

998935429 is an equidigital number, since it uses as much as digits as its factorization.

998935429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 58.

The square root of 998935429 is about 31605.9397740361. The cubic root of 998935429 is about 999.6450170020.

The spelling of 998935429 in words is "nine hundred ninety-eight million, nine hundred thirty-five thousand, four hundred twenty-nine".