24887 has 4 divisors (see below), whose sum is σ = 25536. Its totient is φ = 24240.

The previous prime is 24877. The next prime is 24889. The reversal of 24887 is 78842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24887 - 2⁸ = 24631 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24889) 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, 263 + ... + 344.

It is an arithmetic number, because the mean of its divisors is an integer number (6384).

2²⁴⁸⁸⁷ is an apocalyptic number.

24887 is a deficient number, since it is larger than the sum of its proper divisors (649).

24887 is an equidigital number, since it uses as much as digits as its factorization.

24887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its digits is 3584, while the sum is 29.

The square root of 24887 is about 157.7561409264. The cubic root of 24887 is about 29.1960556379.

The spelling of 24887 in words is "twenty-four thousand, eight hundred eighty-seven".