297998963 has 2 divisors, whose sum is σ = 297998964. Its totient is φ = 297998962.

The previous prime is 297998893. The next prime is 297998989. The reversal of 297998963 is 369899792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 297998963 - 2¹² = 297994867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 297998896 and 297998905.

It is not a weakly prime, because it can be changed into another prime (297998263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148999481 + 148999482.

It is an arithmetic number, because the mean of its divisors is an integer number (148999482).

Almost surely, 2^297998963 is an apocalyptic number.

297998963 is a deficient number, since it is larger than the sum of its proper divisors (1).

297998963 is an equidigital number, since it uses as much as digits as its factorization.

297998963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 62.

The square root of 297998963 is about 17262.6464657074. The cubic root of 297998963 is about 667.9412283802.

The spelling of 297998963 in words is "two hundred ninety-seven million, nine hundred ninety-eight thousand, nine hundred sixty-three".