298246457 has 2 divisors, whose sum is σ = 298246458. Its totient is φ = 298246456.

The previous prime is 298246393. The next prime is 298246489. The reversal of 298246457 is 754642892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156850576 + 141395881 = 12524^2 + 11891^2 .

It is a cyclic number.

It is not a de Polignac number, because 298246457 - 2⁶ = 298246393 is a prime.

It is a super-2 number, since 2×298246457² = 177901898226105698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298246057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149123228 + 149123229.

It is an arithmetic number, because the mean of its divisors is an integer number (149123229).

Almost surely, 2^298246457 is an apocalyptic number.

It is an amenable number.

298246457 is a deficient number, since it is larger than the sum of its proper divisors (1).

298246457 is an equidigital number, since it uses as much as digits as its factorization.

298246457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 298246457 is about 17269.8134616446. The cubic root of 298246457 is about 668.1260899885.

The spelling of 298246457 in words is "two hundred ninety-eight million, two hundred forty-six thousand, four hundred fifty-seven".