998029 has 2 divisors, whose sum is σ = 998030. Its totient is φ = 998028.

The previous prime is 998027. The next prime is 998069. The reversal of 998029 is 920899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 2025 = 998^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 998029 - 2¹ = 998027 is a prime.

Together with 998027, it forms a pair of twin primes.

998029 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499014 + 499015.

It is an arithmetic number, because the mean of its divisors is an integer number (499015).

2⁹⁹⁸⁰²⁹ is an apocalyptic number.

It is an amenable number.

998029 is a deficient number, since it is larger than the sum of its proper divisors (1).

998029 is an equidigital number, since it uses as much as digits as its factorization.

998029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 998029 is about 999.0140139157. The cubic root of 998029 is about 99.9342567878.

It can be divided in two parts, 99 and 8029, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 998029 in words is "nine hundred ninety-eight thousand, twenty-nine".