248747 has 4 divisors (see below), whose sum is σ = 254856. Its totient is φ = 242640.

The previous prime is 248737. The next prime is 248749. The reversal of 248747 is 747842.

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 248747 - 2⁶ = 248683 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 248747.

It is not an unprimeable number, because it can be changed into a prime (248749) 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, 2993 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (63714).

2²⁴⁸⁷⁴⁷ is an apocalyptic number.

248747 is a deficient number, since it is larger than the sum of its proper divisors (6109).

248747 is an equidigital number, since it uses as much as digits as its factorization.

248747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108.

The product of its digits is 12544, while the sum is 32.

The square root of 248747 is about 498.7454260442. The cubic root of 248747 is about 62.8906307685.

The spelling of 248747 in words is "two hundred forty-eight thousand, seven hundred forty-seven".