298607985 has 64 divisors (see below), whose sum is σ = 574963200. Its totient is φ = 146168064.

The previous prime is 298607963. The next prime is 298607999. The reversal of 298607985 is 589706892.

It is a happy number.

298607985 is a `hidden beast` number, since 29 + 8 + 607 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 298607985 - 2⁶ = 298607921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 401524 + ... + 402266.

It is an arithmetic number, because the mean of its divisors is an integer number (8983800).

Almost surely, 2^298607985 is an apocalyptic number.

It is an amenable number.

298607985 is a deficient number, since it is larger than the sum of its proper divisors (276355215).

298607985 is a wasteful number, since it uses less digits than its factorization.

298607985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 298607985 is about 17280.2773415244. The cubic root of 298607985 is about 668.3959437173.

The spelling of 298607985 in words is "two hundred ninety-eight million, six hundred seven thousand, nine hundred eighty-five".