298993 has 2 divisors, whose sum is σ = 298994. Its totient is φ = 298992.

The previous prime is 298943. The next prime is 298999. The reversal of 298993 is 399892.

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., 247009 + 51984 = 497^2 + 228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298993 is a prime.

It is not a weakly prime, because it can be changed into another prime (298999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149496 + 149497.

It is an arithmetic number, because the mean of its divisors is an integer number (149497).

2²⁹⁸⁹⁹³ is an apocalyptic number.

It is an amenable number.

298993 is a deficient number, since it is larger than the sum of its proper divisors (1).

298993 is an equidigital number, since it uses as much as digits as its factorization.

298993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 298993 is about 546.8025237689. The cubic root of 298993 is about 66.8683089355.

The spelling of 298993 in words is "two hundred ninety-eight thousand, nine hundred ninety-three".