248787 has 24 divisors (see below), whose sum is σ = 449280. Its totient is φ = 128880.

The previous prime is 248783. The next prime is 248789. The reversal of 248787 is 787842.

It is not a de Polignac number, because 248787 - 2² = 248783 is a prime.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (248783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (18720).

2²⁴⁸⁷⁸⁷ is an apocalyptic number.

248787 is a deficient number, since it is larger than the sum of its proper divisors (200493).

248787 is a wasteful number, since it uses less digits than its factorization.

248787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 380 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 248787 is about 498.7855250506. The cubic root of 248787 is about 62.8940016505.

It can be divided in two parts, 248 and 787, that added together give a triangular number (1035 = T₄₅).

The spelling of 248787 in words is "two hundred forty-eight thousand, seven hundred eighty-seven".