998345611 has 2 divisors, whose sum is σ = 998345612. Its totient is φ = 998345610.

The previous prime is 998345599. The next prime is 998345653. The reversal of 998345611 is 116543899.

998345611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (116543899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998345611 - 2²¹ = 996248459 is a prime.

It is not a weakly prime, because it can be changed into another prime (998345681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499172805 + 499172806.

It is an arithmetic number, because the mean of its divisors is an integer number (499172806).

Almost surely, 2^998345611 is an apocalyptic number.

998345611 is a deficient number, since it is larger than the sum of its proper divisors (1).

998345611 is an equidigital number, since it uses as much as digits as its factorization.

998345611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 998345611 is about 31596.6075868913. The cubic root of 998345611 is about 999.4482326087.

The spelling of 998345611 in words is "nine hundred ninety-eight million, three hundred forty-five thousand, six hundred eleven".