287498 has 8 divisors (see below), whose sum is σ = 441408. Its totient is φ = 140364.

The previous prime is 287491. The next prime is 287501. The reversal of 287498 is 894782.

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

It is a d-powerful number, because it can be written as 2¹⁸ + 8⁴ + 4⁷ + 7² + 9³ + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (287491) by changing a digit.

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, 1586 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (55176).

2²⁸⁷⁴⁹⁸ is an apocalyptic number.

287498 is a deficient number, since it is larger than the sum of its proper divisors (153910).

287498 is a wasteful number, since it uses less digits than its factorization.

287498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its digits is 32256, while the sum is 38.

The square root of 287498 is about 536.1883997253. The cubic root of 287498 is about 66.0001530453. Note that the first 3 decimals are identical.

The spelling of 287498 in words is "two hundred eighty-seven thousand, four hundred ninety-eight".