298989899 has 6 divisors (see below), whose sum is σ = 323758476. Its totient is φ = 275990520.

The previous prime is 298989841. The next prime is 298989937. The reversal of 298989899 is 998989892.

It is not a de Polignac number, because 298989899 - 2¹⁶ = 298924363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298989809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 884417 + ... + 884754.

It is an arithmetic number, because the mean of its divisors is an integer number (53959746).

Almost surely, 2^298989899 is an apocalyptic number.

298989899 is a deficient number, since it is larger than the sum of its proper divisors (24768577).

298989899 is a wasteful number, since it uses less digits than its factorization.

298989899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769197 (or 1769184 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 71.

The square root of 298989899 is about 17291.3243853674. The cubic root of 298989899 is about 668.6807776023.

The spelling of 298989899 in words is "two hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred ninety-nine".