487820 has 12 divisors (see below), whose sum is σ = 1024464. Its totient is φ = 195120.

The previous prime is 487819. The next prime is 487829. The reversal of 487820 is 28784.

487820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487820.

It is not an unprimeable number, because it can be changed into a prime (487829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12176 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (85372).

2⁴⁸⁷⁸²⁰ is an apocalyptic number.

It is an amenable number.

487820 is an abundant number, since it is smaller than the sum of its proper divisors (536644).

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

487820 is a wasteful number, since it uses less digits than its factorization.

487820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400 (or 24398 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 487820 is about 698.4411213553. The cubic root of 487820 is about 78.7202625605.

The spelling of 487820 in words is "four hundred eighty-seven thousand, eight hundred twenty".