287369 has 8 divisors (see below), whose sum is σ = 303072. Its totient is φ = 272160.

The previous prime is 287347. The next prime is 287383. The reversal of 287369 is 963782.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287369 is a prime.

It is a super-2 number, since 2×287369² = 165161884322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 8 + 3⁸ + 7³ + 6⁷ + 9 .

287369 is a modest number, since divided by 369 gives 287 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287369.

It is not an unprimeable number, because it can be changed into a prime (287269) 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 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (37884).

2²⁸⁷³⁶⁹ is an apocalyptic number.

It is an amenable number.

287369 is a deficient number, since it is larger than the sum of its proper divisors (15703).

287369 is a wasteful number, since it uses less digits than its factorization.

287369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 18144, while the sum is 35.

The square root of 287369 is about 536.0680926897. The cubic root of 287369 is about 65.9902801725.

It can be divided in two parts, 287 and 369, that added together give a palindrome (656).

The spelling of 287369 in words is "two hundred eighty-seven thousand, three hundred sixty-nine".