298666801 has 2 divisors, whose sum is σ = 298666802. Its totient is φ = 298666800.

The previous prime is 298666793. The next prime is 298666807. The reversal of 298666801 is 108666892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265038400 + 33628401 = 16280^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 298666801 - 2³ = 298666793 is a prime.

It is not a weakly prime, because it can be changed into another prime (298666807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149333400 + 149333401.

It is an arithmetic number, because the mean of its divisors is an integer number (149333401).

Almost surely, 2^298666801 is an apocalyptic number.

It is an amenable number.

298666801 is a deficient number, since it is larger than the sum of its proper divisors (1).

298666801 is an equidigital number, since it uses as much as digits as its factorization.

298666801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 298666801 is about 17281.9790822695. The cubic root of 298666801 is about 668.4398248782.

The spelling of 298666801 in words is "two hundred ninety-eight million, six hundred sixty-six thousand, eight hundred one".