998069 has 2 divisors, whose sum is σ = 998070. Its totient is φ = 998068.

The previous prime is 998029. The next prime is 998071. The reversal of 998069 is 960899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 255025 = 862^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 998069 - 2⁸ = 997813 is a prime.

It is a super-2 number, since 2×998069² = 1992283457522, which contains 22 as substring.

Together with 998071, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499034 + 499035.

It is an arithmetic number, because the mean of its divisors is an integer number (499035).

2⁹⁹⁸⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

998069 is a deficient number, since it is larger than the sum of its proper divisors (1).

998069 is an equidigital number, since it uses as much as digits as its factorization.

998069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 998069 is about 999.0340334543. The cubic root of 998069 is about 99.9355918582.

The spelling of 998069 in words is "nine hundred ninety-eight thousand, sixty-nine".