587668 has 6 divisors (see below), whose sum is σ = 1028426. Its totient is φ = 293832.

The previous prime is 587659. The next prime is 587669. The reversal of 587668 is 866785.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 94864 = 702^2 + 308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 587668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587669) 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 as a sum of consecutive naturals, namely, 73455 + ... + 73462.

2⁵⁸⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

587668 is a deficient number, since it is larger than the sum of its proper divisors (440758).

587668 is a wasteful number, since it uses less digits than its factorization.

587668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146921 (or 146919 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 587668 is about 766.5950691206. The cubic root of 587668 is about 83.7614167253.

The spelling of 587668 in words is "five hundred eighty-seven thousand, six hundred sixty-eight".