298702089 has 27 divisors (see below), whose sum is σ = 502511373. Its totient is φ = 170479512.

The previous prime is 298702049. The next prime is 298702099. The reversal of 298702089 is 980207892.

The square root of 298702089 is 17283.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 298702089 - 2¹⁹ = 298177801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298702049) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 362532 + ... + 363354.

Almost surely, 2^298702089 is an apocalyptic number.

298702089 is the 17283-rd square number.

298702089 is the 8642-nd centered octagonal number.

It is an amenable number.

298702089 is a deficient number, since it is larger than the sum of its proper divisors (203809284).

298702089 is an frugal number, since it uses more digits than its factorization.

298702089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The cubic root of 298702089 is about 668.4661496159.

The spelling of 298702089 in words is "two hundred ninety-eight million, seven hundred two thousand, eighty-nine".