587891 has 2 divisors, whose sum is σ = 587892. Its totient is φ = 587890.

The previous prime is 587887. The next prime is 587897. The reversal of 587891 is 198785.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 587891 - 2² = 587887 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 587891.

It is not a weakly prime, because it can be changed into another prime (587897) 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, 293945 + 293946.

It is an arithmetic number, because the mean of its divisors is an integer number (293946).

2⁵⁸⁷⁸⁹¹ is an apocalyptic number.

587891 is a deficient number, since it is larger than the sum of its proper divisors (1).

587891 is an equidigital number, since it uses as much as digits as its factorization.

587891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 38.

The square root of 587891 is about 766.7405036908. The cubic root of 587891 is about 83.7720102542.

The spelling of 587891 in words is "five hundred eighty-seven thousand, eight hundred ninety-one".