298286989 has 16 divisors (see below), whose sum is σ = 400498560. Its totient is φ = 214551360.

The previous prime is 298286987. The next prime is 298286993. The reversal of 298286989 is 989682892.

It is a cyclic number.

It is not a de Polignac number, because 298286989 - 2¹ = 298286987 is a prime.

It is a super-2 number, since 2×298286989² = 177950255613372242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298286987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147994 + ... + 149995.

It is an arithmetic number, because the mean of its divisors is an integer number (25031160).

Almost surely, 2^298286989 is an apocalyptic number.

It is an amenable number.

298286989 is a deficient number, since it is larger than the sum of its proper divisors (102211571).

298286989 is a wasteful number, since it uses less digits than its factorization.

298286989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298020.

The product of its digits is 8957952, while the sum is 61.

The square root of 298286989 is about 17270.9869144760. The cubic root of 298286989 is about 668.1563549582.

The spelling of 298286989 in words is "two hundred ninety-eight million, two hundred eighty-six thousand, nine hundred eighty-nine".