998739283 has 2 divisors, whose sum is σ = 998739284. Its totient is φ = 998739282.

The previous prime is 998739277. The next prime is 998739293. The reversal of 998739283 is 382937899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998739283 - 2⁹ = 998738771 is a prime.

It is not a weakly prime, because it can be changed into another prime (998739253) 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, 499369641 + 499369642.

It is an arithmetic number, because the mean of its divisors is an integer number (499369642).

Almost surely, 2^998739283 is an apocalyptic number.

998739283 is a deficient number, since it is larger than the sum of its proper divisors (1).

998739283 is an equidigital number, since it uses as much as digits as its factorization.

998739283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 58.

The square root of 998739283 is about 31602.8366290116. The cubic root of 998739283 is about 999.5795842754.

The spelling of 998739283 in words is "nine hundred ninety-eight million, seven hundred thirty-nine thousand, two hundred eighty-three".