298838289 has 8 divisors (see below), whose sum is σ = 419422240. Its totient is φ = 188739936.

The previous prime is 298838249. The next prime is 298838303. The reversal of 298838289 is 982838892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 298838289 - 2²⁵ = 265283857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 5242777 = 298838289 / (2 + 9 + 8 + 8 + 3 + 8 + 2 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298838209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621332 + ... + 2621445.

It is an arithmetic number, because the mean of its divisors is an integer number (52427780).

Almost surely, 2^298838289 is an apocalyptic number.

It is an amenable number.

298838289 is a deficient number, since it is larger than the sum of its proper divisors (120583951).

298838289 is a wasteful number, since it uses less digits than its factorization.

298838289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242799.

The product of its digits is 3981312, while the sum is 57.

The square root of 298838289 is about 17286.9398390808. The cubic root of 298838289 is about 668.5677349506.

The spelling of 298838289 in words is "two hundred ninety-eight million, eight hundred thirty-eight thousand, two hundred eighty-nine".