287467 has 4 divisors (see below), whose sum is σ = 289456. Its totient is φ = 285480.

The previous prime is 287449. The next prime is 287491. The reversal of 287467 is 764782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764782 = 2 ⋅382391.

It is a cyclic number.

It is not a de Polignac number, because 287467 - 2¹⁵ = 254699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (287437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (72364).

2²⁸⁷⁴⁶⁷ is an apocalyptic number.

287467 is a deficient number, since it is larger than the sum of its proper divisors (1989).

287467 is a wasteful number, since it uses less digits than its factorization.

287467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988.

The product of its digits is 18816, while the sum is 34.

The square root of 287467 is about 536.1594911964. The cubic root of 287467 is about 65.9977807641.

The spelling of 287467 in words is "two hundred eighty-seven thousand, four hundred sixty-seven".