287652 has 12 divisors (see below), whose sum is σ = 671216. Its totient is φ = 95880.

The previous prime is 287629. The next prime is 287669. The reversal of 287652 is 256782.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287652.

It is an unprimeable number.

287652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11974 + ... + 11997.

2²⁸⁷⁶⁵² is an apocalyptic number.

It is an amenable number.

287652 is an abundant number, since it is smaller than the sum of its proper divisors (383564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287652 is a wasteful number, since it uses less digits than its factorization.

287652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978 (or 23976 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 287652 is about 536.3319867396. The cubic root of 287652 is about 66.0119353989.

It can be divided in two parts, 287 and 652, that added together give a palindrome (939).

The spelling of 287652 in words is "two hundred eighty-seven thousand, six hundred fifty-two".