298159989 has 8 divisors (see below), whose sum is σ = 418470240. Its totient is φ = 188311536.

The previous prime is 298159943. The next prime is 298159993. The reversal of 298159989 is 989951892.

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

It is not a de Polignac number, because 298159989 - 2¹⁶ = 298094453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298159999) 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, 2615382 + ... + 2615495.

It is an arithmetic number, because the mean of its divisors is an integer number (52308780).

Almost surely, 2^298159989 is an apocalyptic number.

It is an amenable number.

298159989 is a deficient number, since it is larger than the sum of its proper divisors (120310251).

298159989 is a wasteful number, since it uses less digits than its factorization.

298159989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230899.

The product of its digits is 4199040, while the sum is 60.

The square root of 298159989 is about 17267.3098367986. The cubic root of 298159989 is about 668.0615157531.

The spelling of 298159989 in words is "two hundred ninety-eight million, one hundred fifty-nine thousand, nine hundred eighty-nine".