998000233 has 2 divisors, whose sum is σ = 998000234. Its totient is φ = 998000232.

The previous prime is 998000203. The next prime is 998000243. The reversal of 998000233 is 332000899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882802944 + 115197289 = 29712^2 + 10733^2 .

It is a cyclic number.

It is not a de Polignac number, because 998000233 - 2⁹ = 997999721 is a prime.

It is not a weakly prime, because it can be changed into another prime (998000203) 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, 499000116 + 499000117.

It is an arithmetic number, because the mean of its divisors is an integer number (499000117).

Almost surely, 2^998000233 is an apocalyptic number.

It is an amenable number.

998000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

998000233 is an equidigital number, since it uses as much as digits as its factorization.

998000233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 998000233 is about 31591.1416856055. The cubic root of 998000233 is about 999.3329661648.

The spelling of 998000233 in words is "nine hundred ninety-eight million, two hundred thirty-three", and thus it is an aban number.