298894669 has 2 divisors, whose sum is σ = 298894670. Its totient is φ = 298894668.

The previous prime is 298894657. The next prime is 298894699. The reversal of 298894669 is 966498892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280730025 + 18164644 = 16755^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 298894669 - 2²³ = 290506061 is a prime.

It is a super-2 number, since 2×298894669² = 178676046313239122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298894639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149447334 + 149447335.

It is an arithmetic number, because the mean of its divisors is an integer number (149447335).

Almost surely, 2^298894669 is an apocalyptic number.

It is an amenable number.

298894669 is a deficient number, since it is larger than the sum of its proper divisors (1).

298894669 is an equidigital number, since it uses as much as digits as its factorization.

298894669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 61.

The square root of 298894669 is about 17288.5704730033. The cubic root of 298894669 is about 668.6097771744.

The spelling of 298894669 in words is "two hundred ninety-eight million, eight hundred ninety-four thousand, six hundred sixty-nine".