287474 has 16 divisors (see below), whose sum is σ = 479520. Its totient is φ = 128160.

The previous prime is 287449. The next prime is 287491. The reversal of 287474 is 474782.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 287474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287474.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (29970).

2²⁸⁷⁴⁷⁴ is an apocalyptic number.

287474 is a deficient number, since it is larger than the sum of its proper divisors (192046).

287474 is a wasteful number, since it uses less digits than its factorization.

287474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 12544, while the sum is 32.

The square root of 287474 is about 536.1660190650. The cubic root of 287474 is about 65.9983164554.

The spelling of 287474 in words is "two hundred eighty-seven thousand, four hundred seventy-four".