487988 has 6 divisors (see below), whose sum is σ = 853986. Its totient is φ = 243992.

The previous prime is 487979. The next prime is 487997. The reversal of 487988 is 889784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487979) and next prime (487997).

It can be written as a sum of positive squares in only one way, i.e., 487204 + 784 = 698^2 + 28^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487988.

It is an unprimeable number.

487988 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 as a sum of consecutive naturals, namely, 60995 + ... + 61002.

It is an arithmetic number, because the mean of its divisors is an integer number (142331).

2⁴⁸⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

487988 is a deficient number, since it is larger than the sum of its proper divisors (365998).

487988 is a wasteful number, since it uses less digits than its factorization.

487988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122001 (or 121999 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 487988 is about 698.5613788351. The cubic root of 487988 is about 78.7292983293.

The spelling of 487988 in words is "four hundred eighty-seven thousand, nine hundred eighty-eight".