298269091 has 2 divisors, whose sum is σ = 298269092. Its totient is φ = 298269090.

The previous prime is 298269079. The next prime is 298269149. The reversal of 298269091 is 190962892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298269091 - 2¹⁹ = 297744803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (298269061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149134545 + 149134546.

It is an arithmetic number, because the mean of its divisors is an integer number (149134546).

Almost surely, 2^298269091 is an apocalyptic number.

298269091 is a deficient number, since it is larger than the sum of its proper divisors (1).

298269091 is an equidigital number, since it uses as much as digits as its factorization.

298269091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 298269091 is about 17270.4687544953. The cubic root of 298269091 is about 668.1429909809.

The spelling of 298269091 in words is "two hundred ninety-eight million, two hundred sixty-nine thousand, ninety-one".