298606866 has 16 divisors (see below), whose sum is σ = 598881600. Its totient is φ = 99257648.

The previous prime is 298606817. The next prime is 298606871. The reversal of 298606866 is 668606892.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67161 + ... + 71468.

It is an arithmetic number, because the mean of its divisors is an integer number (37430100).

Almost surely, 2^298606866 is an apocalyptic number.

298606866 is an abundant number, since it is smaller than the sum of its proper divisors (300274734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298606866 is a wasteful number, since it uses less digits than its factorization.

298606866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138993.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 298606866 is about 17280.2449635415. The cubic root of 298606866 is about 668.3951088033.

The spelling of 298606866 in words is "two hundred ninety-eight million, six hundred six thousand, eight hundred sixty-six".