298698247 has 2 divisors, whose sum is σ = 298698248. Its totient is φ = 298698246.

The previous prime is 298698199. The next prime is 298698269. The reversal of 298698247 is 742896892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298698247 - 2¹⁹ = 298173959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298698277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149349123 + 149349124.

It is an arithmetic number, because the mean of its divisors is an integer number (149349124).

Almost surely, 2^298698247 is an apocalyptic number.

298698247 is a deficient number, since it is larger than the sum of its proper divisors (1).

298698247 is an equidigital number, since it uses as much as digits as its factorization.

298698247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 298698247 is about 17282.8888499579. Note that the first 4 decimals coincide. The cubic root of 298698247 is about 668.4632835965.

The spelling of 298698247 in words is "two hundred ninety-eight million, six hundred ninety-eight thousand, two hundred forty-seven".