487191 has 8 divisors (see below), whose sum is σ = 653184. Its totient is φ = 323000.

The previous prime is 487187. The next prime is 487211. The reversal of 487191 is 191784.

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

It is a cyclic number.

It is not a de Polignac number, because 487191 - 2² = 487187 is a prime.

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, 430 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2⁴⁸⁷¹⁹¹ is an apocalyptic number.

487191 is a deficient number, since it is larger than the sum of its proper divisors (165993).

487191 is a wasteful number, since it uses less digits than its factorization.

487191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

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

The square root of 487191 is about 697.9906876170. The cubic root of 487191 is about 78.6864137761.

The spelling of 487191 in words is "four hundred eighty-seven thousand, one hundred ninety-one".