998141233 has 2 divisors, whose sum is σ = 998141234. Its totient is φ = 998141232.

The previous prime is 998141219. The next prime is 998141251. The reversal of 998141233 is 332141899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 961744144 + 36397089 = 31012^2 + 6033^2 .

It is a cyclic number.

It is not a de Polignac number, because 998141233 - 2²¹ = 996044081 is a prime.

It is not a weakly prime, because it can be changed into another prime (998141203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499070616 + 499070617.

It is an arithmetic number, because the mean of its divisors is an integer number (499070617).

Almost surely, 2^998141233 is an apocalyptic number.

It is an amenable number.

998141233 is a deficient number, since it is larger than the sum of its proper divisors (1).

998141233 is an equidigital number, since it uses as much as digits as its factorization.

998141233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 998141233 is about 31593.3732450335. The cubic root of 998141233 is about 999.3800267126.

The spelling of 998141233 in words is "nine hundred ninety-eight million, one hundred forty-one thousand, two hundred thirty-three".