998740333 has 2 divisors, whose sum is σ = 998740334. Its totient is φ = 998740332.

The previous prime is 998740307. The next prime is 998740343. The reversal of 998740333 is 333047899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934708329 + 64032004 = 30573^2 + 8002^2 .

It is an emirp because it is prime and its reverse (333047899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998740333 - 2²⁵ = 965185901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998740343) 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, 499370166 + 499370167.

It is an arithmetic number, because the mean of its divisors is an integer number (499370167).

Almost surely, 2^998740333 is an apocalyptic number.

It is an amenable number.

998740333 is a deficient number, since it is larger than the sum of its proper divisors (1).

998740333 is an equidigital number, since it uses as much as digits as its factorization.

998740333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 998740333 is about 31602.8532414401. The cubic root of 998740333 is about 999.5799345697.

The spelling of 998740333 in words is "nine hundred ninety-eight million, seven hundred forty thousand, three hundred thirty-three".