487815 has 16 divisors (see below), whose sum is σ = 826848. Its totient is φ = 244736.

The previous prime is 487811. The next prime is 487819. The reversal of 487815 is 518784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487811) and next prime (487819).

It is a cyclic number.

It is not a de Polignac number, because 487815 - 2² = 487811 is a prime.

487815 is a lucky number.

It is a nialpdrome in base 15.

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 487815.

It is not an unprimeable number, because it can be changed into a prime (487811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (51678).

2⁴⁸⁷⁸¹⁵ is an apocalyptic number.

487815 is a deficient number, since it is larger than the sum of its proper divisors (339033).

487815 is a wasteful number, since it uses less digits than its factorization.

487815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its digits is 8960, while the sum is 33.

The square root of 487815 is about 698.4375419463. The cubic root of 487815 is about 78.7199936071.

The spelling of 487815 in words is "four hundred eighty-seven thousand, eight hundred fifteen".