248687 has 4 divisors (see below), whose sum is σ = 249696. Its totient is φ = 247680.

The previous prime is 248683. The next prime is 248701. The reversal of 248687 is 786842.

248687 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 248687 - 2² = 248683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (62424).

2²⁴⁸⁶⁸⁷ is an apocalyptic number.

248687 is a deficient number, since it is larger than the sum of its proper divisors (1009).

248687 is an equidigital number, since it uses as much as digits as its factorization.

248687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its digits is 21504, while the sum is 35.

The square root of 248687 is about 498.6852714889. The cubic root of 248687 is about 62.8855737678.

The spelling of 248687 in words is "two hundred forty-eight thousand, six hundred eighty-seven".