998970299 has 2 divisors, whose sum is σ = 998970300. Its totient is φ = 998970298.

The previous prime is 998970263. The next prime is 998970347. The reversal of 998970299 is 992079899.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998970299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (998900299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499485149 + 499485150.

It is an arithmetic number, because the mean of its divisors is an integer number (499485150).

Almost surely, 2^998970299 is an apocalyptic number.

998970299 is a deficient number, since it is larger than the sum of its proper divisors (1).

998970299 is an equidigital number, since it uses as much as digits as its factorization.

998970299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 62.

The square root of 998970299 is about 31606.4914060387. The cubic root of 998970299 is about 999.6566484565.

The spelling of 998970299 in words is "nine hundred ninety-eight million, nine hundred seventy thousand, two hundred ninety-nine".