298999993 has 2 divisors, whose sum is σ = 298999994. Its totient is φ = 298999992.

The previous prime is 298999969. The next prime is 298999999. The reversal of 298999993 is 399999892.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217061289 + 81938704 = 14733^2 + 9052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (298999999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149499996 + 149499997.

It is an arithmetic number, because the mean of its divisors is an integer number (149499997).

Almost surely, 2^298999993 is an apocalyptic number.

It is an amenable number.

298999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

298999993 is an equidigital number, since it uses as much as digits as its factorization.

298999993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25509168, while the sum is 67.

The square root of 298999993 is about 17291.6162633804. The cubic root of 298999993 is about 668.6883024806.

It can be divided in two parts, 298999 and 993, that added together give a palindrome (299992).

The spelling of 298999993 in words is "two hundred ninety-eight million, nine hundred ninety-nine thousand, nine hundred ninety-three".