298214993 has 2 divisors, whose sum is σ = 298214994. Its totient is φ = 298214992.

The previous prime is 298214977. The next prime is 298215053. The reversal of 298214993 is 399412892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285204544 + 13010449 = 16888^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 298214993 - 2⁴ = 298214977 is a prime.

It is not a weakly prime, because it can be changed into another prime (298214393) 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, 149107496 + 149107497.

It is an arithmetic number, because the mean of its divisors is an integer number (149107497).

Almost surely, 2^298214993 is an apocalyptic number.

It is an amenable number.

298214993 is a deficient number, since it is larger than the sum of its proper divisors (1).

298214993 is an equidigital number, since it uses as much as digits as its factorization.

298214993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 298214993 is about 17268.9024839449. The cubic root of 298214993 is about 668.1025941423.

The spelling of 298214993 in words is "two hundred ninety-eight million, two hundred fourteen thousand, nine hundred ninety-three".