287794 has 8 divisors (see below), whose sum is σ = 464940. Its totient is φ = 132816.

The previous prime is 287789. The next prime is 287801. The reversal of 287794 is 497782.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 50625 = 487^2 + 225^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5509 + ... + 5560.

2²⁸⁷⁷⁹⁴ is an apocalyptic number.

287794 is a deficient number, since it is larger than the sum of its proper divisors (177146).

287794 is a wasteful number, since it uses less digits than its factorization.

287794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084.

The product of its digits is 28224, while the sum is 37.

The square root of 287794 is about 536.4643510989. The cubic root of 287794 is about 66.0227959211.

It can be divided in two parts, 287 and 794, that added together give a triangular number (1081 = T₄₆).

The spelling of 287794 in words is "two hundred eighty-seven thousand, seven hundred ninety-four".