487866 has 16 divisors (see below), whose sum is σ = 1033344. Its totient is φ = 153024.

The previous prime is 487843. The next prime is 487873. The reversal of 487866 is 668784.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2⁴⁸⁷⁸⁶⁶ is an apocalyptic number.

487866 is an abundant number, since it is smaller than the sum of its proper divisors (545478).

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

487866 is a wasteful number, since it uses less digits than its factorization.

487866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805.

The product of its digits is 64512, while the sum is 39.

The square root of 487866 is about 698.4740510570. The cubic root of 487866 is about 78.7227368463.

The spelling of 487866 in words is "four hundred eighty-seven thousand, eight hundred sixty-six".