288587 has 8 divisors (see below), whose sum is σ = 315840. Its totient is φ = 262080.

The previous prime is 288583. The next prime is 288647. The reversal of 288587 is 785882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 288587 - 2² = 288583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288587.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288587.

It is not an unprimeable number, because it can be changed into a prime (288583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (39480).

2²⁸⁸⁵⁸⁷ is an apocalyptic number.

288587 is a deficient number, since it is larger than the sum of its proper divisors (27253).

288587 is a wasteful number, since it uses less digits than its factorization.

288587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 35840, while the sum is 38.

The square root of 288587 is about 537.2029411684. The cubic root of 288587 is about 66.0833809953.

The spelling of 288587 in words is "two hundred eighty-eight thousand, five hundred eighty-seven".