5287866 has 8 divisors (see below), whose sum is σ = 10575744. Its totient is φ = 1762620.

The previous prime is 5287859. The next prime is 5287879. The reversal of 5287866 is 6687825.

It is a sphenic number, since it is the product of 3 distinct primes.

5287866 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440650 + ... + 440661.

It is an arithmetic number, because the mean of its divisors is an integer number (1321968).

Almost surely, 2^5287866 is an apocalyptic number.

5287866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5287866 is a wasteful number, since it uses less digits than its factorization.

5287866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881316.

The product of its digits is 161280, while the sum is 42.

The square root of 5287866 is about 2299.5360401611. The cubic root of 5287866 is about 174.2181831636.

The spelling of 5287866 in words is "five million, two hundred eighty-seven thousand, eight hundred sixty-six".