487885 has 4 divisors (see below), whose sum is σ = 585468. Its totient is φ = 390304.

The previous prime is 487873. The next prime is 487889. The reversal of 487885 is 588784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 376996 = 333^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 487885 - 2⁷ = 487757 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

487885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48784 + ... + 48793.

It is an arithmetic number, because the mean of its divisors is an integer number (146367).

2⁴⁸⁷⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

487885 is a deficient number, since it is larger than the sum of its proper divisors (97583).

487885 is an equidigital number, since it uses as much as digits as its factorization.

487885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97582.

The product of its digits is 71680, while the sum is 40.

The square root of 487885 is about 698.4876520025. The cubic root of 487885 is about 78.7237587885.

The spelling of 487885 in words is "four hundred eighty-seven thousand, eight hundred eighty-five".