998736059 has 2 divisors, whose sum is σ = 998736060. Its totient is φ = 998736058.

The previous prime is 998736023. The next prime is 998736113. The reversal of 998736059 is 950637899.

It is a weak prime.

It is an emirp because it is prime and its reverse (950637899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998736059 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 998735995 and 998736013.

It is not a weakly prime, because it can be changed into another prime (998736259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499368029 + 499368030.

It is an arithmetic number, because the mean of its divisors is an integer number (499368030).

Almost surely, 2^998736059 is an apocalyptic number.

998736059 is a deficient number, since it is larger than the sum of its proper divisors (1).

998736059 is an equidigital number, since it uses as much as digits as its factorization.

998736059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 998736059 is about 31602.7856208911. The cubic root of 998736059 is about 999.5785087034.

The spelling of 998736059 in words is "nine hundred ninety-eight million, seven hundred thirty-six thousand, fifty-nine".