298456447 has 2 divisors, whose sum is σ = 298456448. Its totient is φ = 298456446.

The previous prime is 298456399. The next prime is 298456453. The reversal of 298456447 is 744654892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298456447 - 2²³ = 290067839 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 298456447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298456247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149228223 + 149228224.

It is an arithmetic number, because the mean of its divisors is an integer number (149228224).

Almost surely, 2^298456447 is an apocalyptic number.

298456447 is a deficient number, since it is larger than the sum of its proper divisors (1).

298456447 is an equidigital number, since it uses as much as digits as its factorization.

298456447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 298456447 is about 17275.8920753749. The cubic root of 298456447 is about 668.2828584146.

The spelling of 298456447 in words is "two hundred ninety-eight million, four hundred fifty-six thousand, four hundred forty-seven".