487671 has 4 divisors (see below), whose sum is σ = 650232. Its totient is φ = 325112.

The previous prime is 487657. The next prime is 487681. The reversal of 487671 is 176784.

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 487671 - 2⁶ = 487607 is a prime.

It is a D-number.

487671 is a lucky 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 (487601) 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, 81276 + ... + 81281.

It is an arithmetic number, because the mean of its divisors is an integer number (162558).

2⁴⁸⁷⁶⁷¹ is an apocalyptic number.

487671 is a deficient number, since it is larger than the sum of its proper divisors (162561).

487671 is a wasteful number, since it uses less digits than its factorization.

487671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162560.

The product of its digits is 9408, while the sum is 33.

The square root of 487671 is about 698.3344470954. The cubic root of 487671 is about 78.7122469581.

The spelling of 487671 in words is "four hundred eighty-seven thousand, six hundred seventy-one".