298739069 has 2 divisors, whose sum is σ = 298739070. Its totient is φ = 298739068.

The previous prime is 298739047. The next prime is 298739137. The reversal of 298739069 is 960937892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183927844 + 114811225 = 13562^2 + 10715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298739069 is a prime.

It is a super-2 number, since 2×298739069² = 178490062693973522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 298739069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298739029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149369534 + 149369535.

It is an arithmetic number, because the mean of its divisors is an integer number (149369535).

Almost surely, 2^298739069 is an apocalyptic number.

It is an amenable number.

298739069 is a deficient number, since it is larger than the sum of its proper divisors (1).

298739069 is an equidigital number, since it uses as much as digits as its factorization.

298739069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 298739069 is about 17284.0698043025. The cubic root of 298739069 is about 668.4937343556.

The spelling of 298739069 in words is "two hundred ninety-eight million, seven hundred thirty-nine thousand, sixty-nine".