487911 has 8 divisors (see below), whose sum is σ = 657280. Its totient is φ = 321912.

The previous prime is 487897. The next prime is 487933. The reversal of 487911 is 119784.

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

It is not a de Polignac number, because 487911 - 2⁷ = 487783 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487111) 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 7 ways as a sum of consecutive naturals, for example, 481 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (82160).

2⁴⁸⁷⁹¹¹ is an apocalyptic number.

487911 is a deficient number, since it is larger than the sum of its proper divisors (169369).

487911 is a wasteful number, since it uses less digits than its factorization.

487911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685.

The product of its digits is 2016, while the sum is 30.

The square root of 487911 is about 698.5062633935. The cubic root of 487911 is about 78.7251571928.

The spelling of 487911 in words is "four hundred eighty-seven thousand, nine hundred eleven".