487647 has 8 divisors (see below), whose sum is σ = 722480. Its totient is φ = 325080.

The previous prime is 487637. The next prime is 487649. The reversal of 487647 is 746784.

It is a happy number.

487647 is a `hidden beast` number, since 4 + 8 + 7 + 647 = 666.

It is not a de Polignac number, because 487647 - 2⁸ = 487391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487649) 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, 9004 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (90310).

2⁴⁸⁷⁶⁴⁷ is an apocalyptic number.

487647 is a deficient number, since it is larger than the sum of its proper divisors (234833).

487647 is a wasteful number, since it uses less digits than its factorization.

487647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070 (or 18064 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 487647 is about 698.3172631405. The cubic root of 487647 is about 78.7109557017.

The spelling of 487647 in words is "four hundred eighty-seven thousand, six hundred forty-seven".