298408887 has 16 divisors (see below), whose sum is σ = 505242880. Its totient is φ = 170519256.

The previous prime is 298408853. The next prime is 298408907. The reversal of 298408887 is 788804892.

It is not a de Polignac number, because 298408887 - 2⁸ = 298408631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298408807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789253 + ... + 789630.

It is an arithmetic number, because the mean of its divisors is an integer number (31577680).

Almost surely, 2^298408887 is an apocalyptic number.

298408887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

298408887 is a deficient number, since it is larger than the sum of its proper divisors (206833993).

298408887 is a wasteful number, since it uses less digits than its factorization.

298408887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578899 (or 1578893 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 298408887 is about 17274.5155358985. The cubic root of 298408887 is about 668.2473588507.

The spelling of 298408887 in words is "two hundred ninety-eight million, four hundred eight thousand, eight hundred eighty-seven".