298192889 has 2 divisors, whose sum is σ = 298192890. Its totient is φ = 298192888.

The previous prime is 298192871. The next prime is 298192901. The reversal of 298192889 is 988291892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238393600 + 59799289 = 15440^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 298192889 - 2¹⁶ = 298127353 is a prime.

It is not a weakly prime, because it can be changed into another prime (298192789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149096444 + 149096445.

It is an arithmetic number, because the mean of its divisors is an integer number (149096445).

Almost surely, 2^298192889 is an apocalyptic number.

It is an amenable number.

298192889 is a deficient number, since it is larger than the sum of its proper divisors (1).

298192889 is an equidigital number, since it uses as much as digits as its factorization.

298192889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 56.

The square root of 298192889 is about 17268.2624777364. The cubic root of 298192889 is about 668.0860869188.

It can be divided in two parts, 29 and 8192889, that added together give a palindrome (8192918).

The spelling of 298192889 in words is "two hundred ninety-eight million, one hundred ninety-two thousand, eight hundred eighty-nine".