4387 has 4 divisors (see below), whose sum is σ = 4536. Its totient is φ = 4240.

The previous prime is 4373. The next prime is 4391. The reversal of 4387 is 7834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7834 = 2 ⋅3917.

It is a cyclic number.

It is not a de Polignac number, because 4387 - 2⁷ = 4259 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (4327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13 + ... + 94.

It is an arithmetic number, because the mean of its divisors is an integer number (1134).

4387 is a deficient number, since it is larger than the sum of its proper divisors (149).

4387 is a wasteful number, since it uses less digits than its factorization.

4387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its digits is 672, while the sum is 22.

The square root of 4387 is about 66.2344321331. The cubic root of 4387 is about 16.3702713460.

Adding to 4387 its reverse (7834), we get a palindrome (12221).

It can be divided in two parts, 43 and 87, that multiplied together give a triangular number (3741 = T₈₆).

The spelling of 4387 in words is "four thousand, three hundred eighty-seven".