682587 has 18 divisors (see below), whose sum is σ = 1042132. Its totient is φ = 446472.

The previous prime is 682547. The next prime is 682597. The reversal of 682587 is 785286.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 682587 - 2¹⁰ = 681563 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (26880) is a multiple of the sum of its prime divisors (56).

It is not an unprimeable number, because it can be changed into a prime (682547) 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 17 ways as a sum of consecutive naturals, for example, 12853 + ... + 12905.

2⁶⁸²⁵⁸⁷ is an apocalyptic number.

682587 is a deficient number, since it is larger than the sum of its proper divisors (359545).

682587 is an frugal number, since it uses more digits than its factorization.

682587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 56 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 682587 is about 826.1882352104. The cubic root of 682587 is about 88.0479679943.

It can be divided in two parts, 68258 and 7, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 682587 in words is "six hundred eighty-two thousand, five hundred eighty-seven".