298011899 has 2 divisors, whose sum is σ = 298011900. Its totient is φ = 298011898.

The previous prime is 298011881. The next prime is 298011911. The reversal of 298011899 is 998110892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298011899 - 2⁸ = 298011643 is a prime.

It is a super-2 number, since 2×298011899² = 177622183891172402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298011809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149005949 + 149005950.

It is an arithmetic number, because the mean of its divisors is an integer number (149005950).

Almost surely, 2^298011899 is an apocalyptic number.

298011899 is a deficient number, since it is larger than the sum of its proper divisors (1).

298011899 is an equidigital number, since it uses as much as digits as its factorization.

298011899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 298011899 is about 17263.0211434731. The cubic root of 298011899 is about 667.9508932491.

The spelling of 298011899 in words is "two hundred ninety-eight million, eleven thousand, eight hundred ninety-nine".