998285269 has 2 divisors, whose sum is σ = 998285270. Its totient is φ = 998285268.

The previous prime is 998285243. The next prime is 998285333. The reversal of 998285269 is 962582899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499299025 + 498986244 = 22345^2 + 22338^2 .

It is a cyclic number.

It is not a de Polignac number, because 998285269 - 2¹⁵ = 998252501 is a prime.

It is a super-2 number, since 2×998285269² = 1993146956604804722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998285209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499142634 + 499142635.

It is an arithmetic number, because the mean of its divisors is an integer number (499142635).

Almost surely, 2^998285269 is an apocalyptic number.

It is an amenable number.

998285269 is a deficient number, since it is larger than the sum of its proper divisors (1).

998285269 is an equidigital number, since it uses as much as digits as its factorization.

998285269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 58.

The square root of 998285269 is about 31595.6526914701. The cubic root of 998285269 is about 999.4280959882.

The spelling of 998285269 in words is "nine hundred ninety-eight million, two hundred eighty-five thousand, two hundred sixty-nine".