487867 has 4 divisors (see below), whose sum is σ = 504720. Its totient is φ = 471016.

The previous prime is 487843. The next prime is 487873. The reversal of 487867 is 768784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487867 - 2¹¹ = 485819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487897) by changing a digit.

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, 8383 + ... + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (126180).

2⁴⁸⁷⁸⁶⁷ is an apocalyptic number.

487867 is a deficient number, since it is larger than the sum of its proper divisors (16853).

487867 is a wasteful number, since it uses less digits than its factorization.

487867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852.

The product of its digits is 75264, while the sum is 40.

The square root of 487867 is about 698.4747669029. The cubic root of 487867 is about 78.7227906334.

The spelling of 487867 in words is "four hundred eighty-seven thousand, eight hundred sixty-seven".