298999969 has 2 divisors, whose sum is σ = 298999970. Its totient is φ = 298999968.

The previous prime is 298999963. The next prime is 298999993. The reversal of 298999969 is 969999892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277655569 + 21344400 = 16663^2 + 4620^2 .

It is a cyclic number.

It is not a de Polignac number, because 298999969 - 2⁵ = 298999937 is a prime.

It is a super-2 number, since 2×298999969² = 178801962924001922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 298999898 and 298999907.

It is not a weakly prime, because it can be changed into another prime (298999963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149499984 + 149499985.

It is an arithmetic number, because the mean of its divisors is an integer number (149499985).

Almost surely, 2^298999969 is an apocalyptic number.

It is an amenable number.

298999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

298999969 is an equidigital number, since it uses as much as digits as its factorization.

298999969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51018336, while the sum is 70.

The square root of 298999969 is about 17291.6155694024. The cubic root of 298999969 is about 668.6882845892.

It can be divided in two parts, 29 and 8999969, that added together give a palindrome (8999998).

The spelling of 298999969 in words is "two hundred ninety-eight million, nine hundred ninety-nine thousand, nine hundred sixty-nine".