487905 has 16 divisors (see below), whose sum is σ = 851904. Its totient is φ = 236480.

The previous prime is 487897. The next prime is 487933. The reversal of 487905 is 509784.

It is not a de Polignac number, because 487905 - 2³ = 487897 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (53244).

2⁴⁸⁷⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

487905 is a deficient number, since it is larger than the sum of its proper divisors (363999).

487905 is a wasteful number, since it uses less digits than its factorization.

487905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 487905 is about 698.5019685012. The cubic root of 487905 is about 78.7248344885.

The spelling of 487905 in words is "four hundred eighty-seven thousand, nine hundred five".