287802 has 24 divisors (see below), whose sum is σ = 636480. Its totient is φ = 93960.

The previous prime is 287801. The next prime is 287813. The reversal of 287802 is 208782.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287802.

It is not an unprimeable number, because it can be changed into a prime (287801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (26520).

2²⁸⁷⁸⁰² is an apocalyptic number.

287802 is an abundant number, since it is smaller than the sum of its proper divisors (348678).

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

287802 is a wasteful number, since it uses less digits than its factorization.

287802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 287802 is about 536.4718072742. The cubic root of 287802 is about 66.0234076752.

It can be divided in two parts, 28780 and 2, that added together give a palindrome (28782).

The spelling of 287802 in words is "two hundred eighty-seven thousand, eight hundred two".