298842919 has 2 divisors, whose sum is σ = 298842920. Its totient is φ = 298842918.

The previous prime is 298842899. The next prime is 298842923. The reversal of 298842919 is 919248892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298842919 - 2²¹ = 296745767 is a prime.

It is a super-2 number, since 2×298842919² = 178614180472881122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298842959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149421459 + 149421460.

It is an arithmetic number, because the mean of its divisors is an integer number (149421460).

Almost surely, 2^298842919 is an apocalyptic number.

298842919 is a deficient number, since it is larger than the sum of its proper divisors (1).

298842919 is an equidigital number, since it uses as much as digits as its factorization.

298842919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 52.

The square root of 298842919 is about 17287.0737546873. The cubic root of 298842919 is about 668.5711877128.

The spelling of 298842919 in words is "two hundred ninety-eight million, eight hundred forty-two thousand, nine hundred nineteen".