487656 has 48 divisors (see below), whose sum is σ = 1425060. Its totient is φ = 149760.

The previous prime is 487651. The next prime is 487657. The reversal of 487656 is 656784.

It is a happy number.

487656 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 44100 = 666^2 + 210^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 487656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487651) by changing a digit.

487656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676 + ... + 1196.

2⁴⁸⁷⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712530).

487656 is an abundant number, since it is smaller than the sum of its proper divisors (937404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487656 is a wasteful number, since it uses less digits than its factorization.

487656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 539 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 487656 is about 698.3237071731. The cubic root of 487656 is about 78.7114399278.

The spelling of 487656 in words is "four hundred eighty-seven thousand, six hundred fifty-six".